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8800gts review benchmark and overclock
Posted:2007-01-02 By video card review
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8800gts review benchmark and overclock

1. Introduction

This article is dedicated to test two video card geForce 8800 GTS on the new graphic chip g80. If you plan to purchase such video card, but for any reasons until now you use processor athlon 64 X2 , then possibly it will be interesting, how lower performance will show the video card in benchmark and games with the use of platform on the base of processor AMD. if your motherboard has a support to technology SLI, then you can look to increase the performance from the installation of a second video card geForce 8800 GTS.

in addition to the study of the sufficiency (or insufficiency) of speed for platform AMD athlon X2, will be described the special features of alternative cooling  installation on video card geForce 8800 GTS/GTX, about the overclock of the frequencies unit geometry and shader block GPU g80 and about the voltmod video card Of geForce 8800 GTS. So in this article are given the temperature conditions testing results with the use of both  air and water cooling.

2. Fundamental technical characteristics geForce 8800 GTX and GeForce 8800 GTS

  GeForce 8800 GTX GeForce 8800 GTS
GPU G 80- GTX G 80- GTS
GPU Of deviceID 0x0191 0x0193
Shader processors 128 (unified) 96 (unified)
Technical process 90 nm (low- k) 90 nm (low- k)
Frequency GPU 576 (1350) 513 (1188)
Memory Frequency  1800 1600
Volume and type of memory 768Mb GDDR3 640Mb GDDR3
Memory Brandwidth  384 bit 320 bit
Interface PCI- E x16 PCI- E x16

3. Review chaintech GAE88GTS (GeForce 8800 GTS)

This video card do not differ from other GeForce 8800 GTS, although it does not use alternative cooling and does not have high frequencies.

Video card is supplied in the box with the design of the old type – large and without the transparent plastic window. But video card is also big and normally is fixed inside the box.

chaintech GAE88GTS

chaintech GAE88GTS box


  • user management ;
  • disk with drivers forceWare;
  • disk with interVideo winCinema;
  • disk with collection of games  (Age Of wonders 2, Serious sam 2, Rally trophy max payne, Tropico);
  • cable RCA cable S -Video;
  • two adapters DVI/D -SUB;
  • adapter hDTV-out;
  • adapter for connection of the additional power (2 x 4- pin molex - > 6 pin PCI- E);
  • screwdriver;

chaintech GAE88GTS accesoire

Here is how look the video card with installed cooling system:

chaintech GAE88GTS cooling

Cooling system is aluminum radiator with the large copper  the copper edges and thermal tube. It sufficiently effectiveand quiet. The radiator through the thermo-padding make contacts with all memory chips, elements of power-supply system and chip NVIO. Because of the large sizes the cooling system cover almost entire surface of video card and overlaps adjacent slot on the motherboard. As the thermo-interface is used a large quantity of gray thermo-paste, which did not dry completely. Before testing video card overclock and temperature conditions I replaced this thermo-paste by Geil.

chaintech GAE88GTS cooler

chaintech GAE88GTS cooler

With the first start of this cooling system we had the problem with the wire for power connection witch was rolled up downward into the loop and blocked the located directly under it chipset fan cooler of the motherboard DFI lanParty UT nF 4- of D. chipset fan on this motherboard is noisy (especially if we consider that the voltage on the chipset was increased).

Design PCB in Chaintech GAE88GTS is the same as in other GeForce 8800 GTS, released at the given moment, i.e., reference. The collection of interfaces is standard: two DVI-out, the hDTV-out, connector for the SLI- bridge (interface MIO) and connector for the additional power . Video card has the built-in speaker and rejects to start without the connection of additional power.

chaintech GAE88GTS pcb

chaintech GAE88GTS pcb back

On the card is installed the GPU g80 revision A2, released in 38 week of 2006. It has very large sizes and is closed on top with heat-distributer, which protects it from the possible chippings. All openings around GPU have the small diameter , which sets the specific limitations on the use of water cooling systems and forces to acquire water-blocks developed specially for video card geForce 8800 GTS/GTX . Accurately the same problem already appeared earlier from video cards GeForce 7800 GTX.

chaintech GAE88GTS g80 chipset

Video card is equipped with 640 MB. GDDR 3- memory, which are installed in the form of 10 microcircuits samsung K4J52324QE-BC12, which have speed of 512 Mbit and released on 40 week of 2006. All memory chips are located on the face side of the card. Datasheet for this memory on the site of producer is absent, but it is possible to determine on Part number decoder that the time of access is equal to 1.25-ns, and the operating frequency is 1600 MHz.

chaintech GAE88GTS memory

In the left side is located the chip NVIO revision A3, released in 41 week 2006:

chip NVIO revision A3,

it has support to interface functions (RAMDAC, Dual DVI, HDMI, HDTV). From one side, this is good, because this approach makes possible to introduce changes (improvement) without complex work in GPU g80 . But the use of a united radiator for all heating sections of card with the replacement of cooling system appears problem to cool chip NVIO.

Associate recently showed that the cooler of type zalman VF900- Cu and Ice hammer IH-500V is even less effective than the default cooling system. Therefore remains only two versions of  the finished processor cooler a GPU with the base which will completely cover entire surface of the heat-distributer g80, or water cooling. In the case of processor cooler, naturally we should install it and make the airflow directed downward and not upward . But in the case of water-block, it will usefully to install additional blowout fan on the video card .

TO cool the chip NVIO on the video card I used a large radiator, which was prepared from old processor cooler ( Socket 370 ).

8800gts nvio cooling

But for the second video card everything was made considerably simpler . using a thermo-paste was on top planted a small radiator zalman and fixed by wire:

8800gts nvio cooling 1

Checking showed that both versions are completely sufficient to cool the chip NVIO. The first version, of course more reliable and better suitable for prolonged use, but as the temporary solution will be sufficient the second.

4. Voltmod GPU memory on reference video cards GeForce 8800 GTS

Points for measuring the volatge on GPU and memory

To measure the volatge on GPU is possible on the capacitor c850, and for the memory to C857. They are located on the reverse side of card on to center.

Voltmod GPU memory on reference video cards GeForce 8800 GTS

Alternative points to measure the volatge on GPU of capacitors c565, C566, C567, and on the memory c622, C647, C688. They are located not far from the microcircuits, which control the appropriate volatge.

On default the volatge on memory is equal to 1.81V. On GPU it composes 1.27V in 2d regime, and it is reduced upon transfer into 3d and the higher is the load, the greater the reduction In vgpu. During the tests 3DMark it was 1.24, while during the ATITool it decreased to 1.23V. Generally, when a similar drop in the load voltage occurs on the motherboard (usually this concerns Vcore), that for the correction adapt special voltmod, called Vdroop. But, unfortunately, for video card geForce 8800 GTS/GTX there is no method known to remove this unpleasant special feature.

Voltmod GPU

Voltage GPU on video cards GeForce 8800 GTS (and on 8800 GTX) is controlled by the microcircuit primarion powerCode PX3540, located on the reverse side of card in the left lower angle. Datasheet of this model on the site of producer is absent, but there is possibility the download the datasheet of previous model PX3535 (PDF, 82Kb), which already adapted earlier to video cards GeForce 7800GTX-512 and GeForce 7900GTX. From the point view voltmod the difference between these two controllers is only in the different arrangement of power. Voltmod for video card geForce 7800GTX-512 and GeForce 7900GTX was performed by connecting 27- foot (VSENP) with the ground through a variable resistor. VSENP are located in Primarion powerCode PX3540 on 18-  foot and its initial resistance with ground is equal to 32 Ohm.

To increase the volatge on GPU it is necessary to connect this foot with ground through the variable resistor to 1k Ohm, preliminarily set to the maximum. After this, the vcore must increase approximately by 0.04V. But since the power of the controller microcircuit are too small and are inconvenient for soldering, then for the voltmod it is better to use the points, indicated on the fellowing picture:

Voltmod GPU  GeForce 8800 GTS

Pencil voltmod GPU on these card,  is impossible. Around PX3540 there is no smd- element (resistor or capacitor), which would be directly connected with VSENP and ground. Painting the resistors, connected with VSENP does not give anythings.

Memory Voltmod 

As for the volatge controller on the memory is used the microcircuit intersil ISL6549 (datasheet, 437Kb), located from the reverse side in the left upper angle.

Voltmod memory GeForce 8800 GTS

For the voltmod of memory it is necessary to connect 4- foot ISL6549CB (Vmem-feedback) to ground using a variable resistor 20k Ohm.

Pencil voltmod of the memory: for increasing the volatge on the memory is necessary to paint the resistor, noted on the picture as Pencil vmem-mod. Then verify the resistance  obtained after painting according to this table:

Rmem Vmem
560 Ohm 1.81V
540 Ohm 1.88V
520 Ohm 1.95V
510 Ohm 1.99V
500 Ohm 2.03V
490 Ohm 2.07V

Reverse voltmod of the memory: for reduction in the voltage on the memory it is necessary to connect 4-  foot ISL6549CB (Vmem-feedback) with 13- 1 (Phase) through the variable resistor 20k Ohm or to paint by pencil the resistor, noted on the picture as Pencil reverse vmem-mod.

Determination of optimum delta and latencies of memory 8800GTS

Determination of the optimum frequency for the shader block GPU g80

In the graphic chip g80 shader block (Shader domain) works at the considerably larger (approximately 2.3 times) frequency, than remaining blocks GPU. But there is no fixed delta between the frequencies as this was in GPU g7x. Instead of this in the BIOS of video card are separately the master frequencies of core  and also the shader block. On default these frequencies compose 576 (1350) MHz in GeForce 8800 GTX and 513 (1188) MHz in GeForce 8800 GTS. With a change of the frequency core in the programs of overclock for video card the frequency of shader block automatically changes to the same side, but with the value approximately 2 times larger. Monitoring the current frequency of shader block is possible using Riva tuner v2.0 RC16.2 and also using Lavalys everest 2006 (beginning from the version v3.50.795 beta). But it is possible to calculate, what will come out the frequency of shader block after overclock, using the following formula:

Overclocked shader clock = default shader clock/default GPU clock * overclocked GPU clock

Since the frequency of shader block can change only with a step of 54, the obtained value must be rounded off to the nearest integer.

But how to determine the optimum value for the frequency of shader block ? For the beginning it is necessary to find the limit of overclock without change in the BIOS frequencies . Then in order to determine, which of two frequencies holds your overclock, in BIOS we turn through by 54 high, then to 54 smaller frequencies of shader block. If after checking GPU overclock in each of these three versions, the best frequencies will be obtained with the frequency of shader block without change, it means it is not necessary to change  . If version with the reduced or increased frequency proved to be better, it means it is possible to try to change the frequency of shader block further to the same side and with the same step (54) until optimum relationship is found.

On both tested video cards Chaintech geForce 8800 GTS the limit of overclock GPU was reached without change in the frequency of shader block. After the replacement of cooling  in both frequencies GPU  increased by such value, which again has no need to change the frequency of shader block in BIOS. It is completely possible that everything can prove to be different on other copies geForce 8800 GTS/GTX, but spend time on such fine adjustment of both frequencies GPU stands only when you have a sufficiently powerful CPU. Otherwise you can simply not note any difference between the work of shader block in 1566 or 1620 MHz.

Latency of memory in video cards GeForce 8800 GTS

The latencies of memory samsung 1.25-ns in video cards GeForce 8800 GTS are the following:

Latency of memory in video cards GeForce 8800 GTS

The current latencies can be changed by the program niBiTor . The possibility to read from the bios or preserve BIOS modified latency in last version (3.1) of the program niBiTor is not provided. But nothing prevents from changing them by hand with the aid of any hexadecimal editor  :-)

Latency of memory in video cards GeForce 8800 GTS

On one geForce 8800 GTS a change in the latency did not bring anythinks, but on other copies with the less successful overclock in the frequency memory, it is completely possible that reduction in the latency will give small addition in performance.

The comparison of the memory latency in the BIOS from several reference GeForce 8800 GTS (Chaintech, Asus, BFG) and 8800 GTX (EVGA, BFG, MSI) showed that latency everywhere almost completely coincide, with exception of the fact that into GeForce 8800 GTS timing4 is equal to 28000707h, and in GTX – 00000707h. But this unessential difference and it do not have influences.

Testing 8800GTS

6.1. Test configuration and drivers

Testing was done at room temperature equal to +21°C.

To test such powerful video card as GeForce 8800 GTS, in the configuration of test were substituted processor, the motherboard and power unit. Rapid check showed that in the majority benchmarks and games even the low-end model dual processor is more preferable than single processor, even with doubly large 2nd cache level and also to 100 MHz higher overclock. Moreover the owners of Althlon 64 X2 3800+ has much more than owners of Opteron 148. As the motherboard was DFI nF 4 so the possibility of stable work with memory from line +5V which allowed to overclock memory on chips winbond BH- SHCH without voltmod of line 3.3V in the power unit. The power unit golden power 450W did not manage even one non overclocked geForce 8800 GTS and instead of it was taken Chieftec 620W, whose power was sufficient even for work in regime SLI using two similar video card with overclock and voltmod.


  • Processor: AMD athlon 64 X2 3800+ (Toledo/E6), overclocked to the frequency of 2900 MHz with vcore 1.6V;
  • Motherboard: DFI lanParty UT nF 4- D (rev.AB0), modded in SLI- D by closing the bridges on the chipset;
  • Cooling system: modified SVO aucma coolRiver + flowing cold water;
  • Thermo-interface: thermo-paste geil (5% silver, 5% copper);
  • Operational memory: Geil chips winbond BH- SHCH 2 * 512Mb, was overclocked to the frequency of 241 MHz with latency 2.0-2- 2-5 1T with volatge 3.7V;
  • HDD: Western digital WD2500JB (250Gb, 7200RPM, 8Mb);
  • case: was absent :-) ;
  • Power unit: Chieftec GPS-620AB- A 620W (+12V1=16A, +12V2=25A, +12V3=17A);
  • Monitor: 17 " Samsung 757NF.

Operating system and drivers:

  • Windows XP pro service pack 2
  • DirectX 9.0c (October-2006)
  • nForce4 driver v6.86
  • NVIDIA forceWare v97.02
  • AMD athlon 4 driver v1.3.2.16
  • AMD dual-Core optimizer

Tuning the driver NVIDIA forceWare:

  • Intellisample settings: High quality
  • Trilinear optimization: Off
  • Anisotropic mip filter optimization: Off
  • Anisotropic sample filter optimization: Off
  • Transparency antialiasing: Off
  • VSync: Always off

6.2. Temperature conditions 8800GTS

In order to explain the temperature of graphic processor under load and idle , was started the module of monitoring program rivaTuner 2.0 RC16.2. we waited, until temperature is stabilized and was written the obtained temperature at idle. Then for 10 minutes started  the program ATI tool 0.25 beta 16, after which maximum temperature was written. During the determination of temperature conditions in the system was installed only one video card.

Temperature was determined in several regimes, which are characterized by frequencies (with overclock and without), by volatge and cooling type.

Frequencies Stresses Tgpu (idle/of burn) Tambient (idle/of burn) Cooling Graph
513 (1188)/1600 1.23V/1.81V +54°C/+81°C +38°C/+54°C default cooler to 60% (1380 PRM) ¤
513 (1188)/1600 1.23V/1.81V +50°C/+70°C +34°C/+45°C default cooler to 100% (2730 PRM) ¤
621 (1458)/1944 1.23V/1.81V +51°C/+73°C +34°C/+48°C default cooler to 100% (2730 PRM) ¤
621 (1458)/2106 1.23V/1.95V +45°C/+62°C +31°C/+41°C SVO + fan  blowout ¤
675 (1566)/2106 1.23V/1.95V +27°C/+36°C +23°C/+29°C Flowing cold water + fan blowout ¤

If we leave automatic control of fan rotation speed on then this result on 1380 RPM and in this case it is noisy,but quiet in comparaison with other (chipset cooler, power unit). Temperature in this case is not very high, but the reserve of overclock with the voltmod is low. Before the overclock I set the rotation fan to the maximum (2730 PRM) and were obtained reduction in the temperature GPU to 9°C under load and considerable increase in noise. But even in this regime cooler was not such loud as cooler on card radeon series x1800/x1900 (set to 100%). After overclock without the replacement of cooling, the temperature GPU under load increasedby 3 degree. Further on memory was made voltmod, cooling GPU was substituted to the water and to the blowout video card were installed two fans. As a result the temperature GPU was lowered to 9°C, but overclock remained as before.

The following 612 MHz step of overclock GPU is equal to 648 and for the stable work at this frequency it was necessary to reduce temperature or to increase volatge on GPU.

6.3. Testing , benchmark and games performance 8800GTS

The following benchmarks and games were used for testing:

  • 3DMark06 v1.1.0 – 1280x1024, NoAA/noAF;
  • 3DMark05 v1.3.0 – 1024x768, NoAA/noAF;
  • 3DMark03 v3.6.0 – 1024x768, NoAA/noAF;
  • 3DMark2001 SE build 330 – 1024x768, NoAA/noAF;
  • Aquamark3 – 1024x768, NoAA/4xAF;
  • First encounter assault recon (F.E.A.R.) v1.0.8, was used the built-in benchmark;
  • Quake4 v1.2.0, Ultra quality, VSync = off,
  • Prey v1.2.116, VSync = off,
  • Serious sam 2 v2.070, HDR = On, built-in demo ;
  • Tom clancys splinter cell : Chaos theory v1.05.157, built-in demo];
  • Company Of heroes v1.0.3, used the built-in benchmark;
  • Half-Life 2: Lost coast (Source engine build 2547), HDR = on (full);
  • Need for speed: Carbon v1.2;
  • Tom clancys rainbow six: Vegas  v1.00.

The setting did not change in all benchmarks, but in games were set the maximum quality.  exception Only – the option soft shadows in F.E.A.R. In regime without AA and AF it was included on, and it was switched off with 4xAA and 16xAF –. This was made because of some trouble with game.

During  test of Company Of heroes, Need for speed: Carbon and Tom clancys rainbow six: Vegas regimes AA and AF were set by the driver forceWare. In the remaining games were used the built-in option .

All tests Of geForce 8800 GTS (both on single video card and on two in regime SLI), were done in three regimes with different frequencies:

  • 513 (1188)/1584 MHz – without overclock;
  • 621 (1458)/1944 MHz – overclock without any modifications;
  • 675 (1566)/2106 MHz – overclock with the voltmod of video memory, GPU were cooled by flowing cold water, aluminum radiators zalman on the memory chips , additional fan blowout ;

3dmark 2006 benchmark

8800gts 3dmark 2006 benchmark

8800gts 3dmark 2006 test

The general result in 3DMark06 sufficiently strongly influences the quantity of marks, obtained in the CPU- tests (CPU score), result in which generally does not depend on speed of video card. Athlon 64 X2 3800+ @ 2900 MHz CPU has score at level 2200 and this approximately two times more than shows single Athlon 64, which works at the same frequency, and 1.5 times less than overclocked average level Core 2 Duo. With this difference in CPU score, the difference in the general results can reach several thousand marks even when SM2.0 score and SM3.0/HDR score are not processor depondant. But in case of two video card geForce 8800 GTS regime SLI the speed of processor limits result even in the tests SM2.0.

8800gts 3dmark 2005 benchmark

The more powerful is video card, the more strongly is manifested the speed of processor into 3DMark05. In this case the increase from overclock video card and regime SLI was only in Canyon flight, and the first two tests showed the identical results 54 fps in Return to proxycon and 43 fps in Firefly forest.

8800gts 3dmark 2003 benchmark

3DMark03 remains only benchmark, in which it is possible to obtain high results on powerful video cards and weak system. The first test Of wings Of fury to Athlon 64 X2 2900MHz issues not more than 500-520 fps, but it is possible to obtain approximately two times more with overclocked core 2 Duo. The speed of processor barely affects the result in the remaining three tests.

8800gts 3dmark 2001 benchmark

3DMark2001SE reacts to the frequencies of video card and the start SLI only in the last test nature. But even in it, in order to obtain more than 628 fps, it is necessary to increase the frequency of the processor higher than 2900MHz. the quantity of core in processor into 3DMark2001SE does not have value.

8800gts aquamark benchmark

In Aquamark3 the speed of processor it is insufficient not only in order to obtain increase from SLI, but also from overclock . The second core processor into Aquamark3 is used, but it gives not more than +8% to the result

First encounter assault recon (F.E.A.R.) v1.0.8

8800gts fear benchmark -1

8800gts fear performance-1

8800gts fear performance 2

8800gts fear performance 3

8800gts fear performance 4

8800gts fear performance 5

8800gts fear performance 6

8800gts fear performance 7

8800gts fear performance 8

8800gts fear performance 9

In those regimes, the result is limited to processor, the minimum quantity of frames per second is located on the level of 50-60 fps and this it is completely sufficient for normal gaming. The performance of single video card is sufficient in 1024x768 and 1280x1024, and if its overclocked then 1600x1200. It is insufficient for higher regimes to use one 8800 GTS, but with two 8800 GTS in SLI it is possible to play in all regimes up to 2048x1536.

Quake 4 v1.2.0.2386

8800gts quake 4 benchmark

8800gts quake 4 benchmark 1

8800gts quake 4 benchmark 2

8800gts quake 4 benchmark 5

8800gts quake 4 performance 1

8800gts quake 4 performance 2

8800gts quake 4 performance 4

8800gts quake 4 performance 5

In Quake 4 the possibilities of processor are located on the level of 110 fps and this is two times higher than minimum fps in F.E.A.R. But the threshold of  came out by the same: 1280x1024 on one default card, 1600x1200 on overclocked and 2048x1536 only on SLI.

Results in the resolution 1920x1440 are absent, because in this game we did not succeed to set it. Generally all resolutions higher than 1600x1200 was absent in the menu of game and 2048x1536 could be set only using parameter of the command line quake4.exe +set r_mode 9.

Prey v1.2.116

8800gts prey performance

8800gts prey benchmark

It was explained during previous review that the performance do not at all increases in Prey version 1.0.103 with regime SLI, but it is even lower . This problem disappeared after the installation of patch and update to version 1.2.116. But two powerful video card in this game are not necessary, it is evident according to the results of testing that it is completely sufficient one 8800 GTS for the game in any regimes up to 1920x1200. Dual core processor AMD is also sufficient.

This game uses engine Of quake 4; therefore with the installation of resolution higher than 1600x1200 we had the same problem. Game could not be tested in 1920x1440 and 2048x1536, but with the command line prey.exe +set r_mode 16 we have better result.

Serious sam 2 v2.070

8800gts serious sam 2 performance

8800gts serious sam 2 benchmark

In order to load one or even two 8800 GTS in Serious sam 2 its not required to get faster processor than Athlon 64 X2 @ 2900 MHz. Already beginning from the resolution 1280x1024 the speed in the game is determined by video cards. On one 8800 GTS it is possible to play using 1280x1024 without overclock and in 1600x1200 if overclocked. With the use of regime SLI to play without brakes is possible with any resolution.

Tom clancys splinter cell: Chaos theory v1.05.157

8800gts Tom clancys splinter cell performance

8800gts Tom clancys splinter cell benchmark

In Splinter cell chaos theory all can be done in single 8800 GTS, in contrast to SLI, does not pull the resolution higher than 1600x1200. There is no deficiency in the speed of processor.

Company Of heroes v1.0.3

8800gts Company Of heroes performance

8800gts Company Of heroes benchmark

Setting in the game were used for the maximum quality:

8800gts gaming option

With such setting the game is very demanding both on video card and to memory volume  . single 8800 GTS here, as in many other games, is sufficient to the resolution 1600x1200 , in the of 1600x1200 it is desirable to overclock the video card . Effect from regime SLI exists, but in the case of Company Of heroes one 8800 GTX with 748 Mb video memory will be more preferable than SLI of two 8800 GTS, because in the resolution higher than 1600x1200 the use of video memory already exceeds 620 Mb. The speed of processor limits the minimum quantity of frames per second at the level of 55 fps. In this case the first core is loaded almost completely, and the second only half. Optimization under dual processors in this game leaves much to be desired.

Half-Life 2: Lost coast

8800gts Half-Life 2 benchmark

8800gts Half-Life 2 performance

In regime SLI video card were tested with drivers from versions v97.02 and v97.44, but results in all resolutions were obtained the same as with single video caed. Testing of two video card geForce 7900GS already showed earlier an increase from SLI in this game was possible, but in the case with 8800 GTS it does not exist. Most likely, problem in the driver forceWare and, possibly it will be corrected in one of the following versions.

Even if we include mapping the balance of the load graphic processors, then the corresponding strip at the screen did not appear after the starting of game. In order to look load, was necessary in the control pannel driver to change option regime performance SLI from the value recommanded NVIDIA on custum. After this, it was obvious that driver actually work in regime SLI and the load of graphic processors is distributed equally, but repeated testing with this option showed that there is no increase from SLI . But in the case of Half-Life regime SLI  is not necessary, testing one 8800 GTS showed that it is completely sufficient for the game at any resolutions. Processor limits the quantity of frame per second at the level higher than 100 this is sufficient.

Need for speed: Carbon v1.2

8800gts Need for speed: Carbon  performance

8800gts benchmark  performance

To set resolution 1920x1440 and 2048x1536 was used the program NFSC custom resolution launcher v2. With the support of SLI in Need for speed carbon the situation is the same, as in the previous game from this series , obtained on the single card, do not differed from results in SLI. But in contrast to Most wanted, Carbon completely are used the possibilities of dual core processor. .

Tom clancys rainbow six: Vegas v1.00

Rainbow six: Vegas as the engine uses Unreal engine 3.0 so the load on video card and processor will be high, but the obtained results exceeded all my expectations:

8800gts Tom clancys rainbow six performance

8800gts Tom clancys rainbow six benchmark

setting in the game were set as follows:

Option, which most strongly influences the speed in this game – shadow quality. the quality change of shadows from Very low to High led to a change of fps approximately 3.5 times! But even if we advance the minimum quality of shadows and by these to considerably reduce load on video card, then load on the central processor remains as before very high and reaches 97-98 percent on each core of the processor athlon 64 X2 3800+@2900 MHz.

Measurement of performance occurred over the area at the beginning of the game:

On the given above screen shot it is possible to see 21.3 fps in the light duty of 1024x768 without AA and AF on single 8800 GTS, which works without overclock. This it is clearly insufficient for comfortable gaming. And here both core processor are loaded almost to 100%. If we increase resolution, then speed becomes less. So that in this game performance is limited to processor, and in video card. :

6.4. Maximum results in benchmark

To obtain the maximum results of  processor and video card they were overclocked to the maximum frequencies, at which they were capable to passe test. Processor and GPU both video card were cooled by water with the temperature near +10°C. operating system Windows XP SP2, BIOS motherboard and drivers were the lastest.

Results on single geForce 8800 GTS:

  • 3d 2006:9955
  • 3d 2005:15812
  • 3d 2003:33928,
  • 3d 2001:42796
  • Aquamark3: 125563

Results on two GeForce 8800 GTS in regime SLI:

  • 3d 2006:11421
  • 3d 2005:16682
  • 3d 2003:53587,
  • 3d 2001:40382
  • Aquamark3: 126181

As you see, the processors athlon 64, even dual core do not make possible to obtain good results in the benchmark with the use of such rapid video card as GeForce 8800 GTS. More- less decent result is obtained only into 3DMark03. Time for replacing the test platform came.


Chaintech GAE88GTS as all produced at the given moment card geForce 8800 GTS, has a reference design and a cooling system; therefore advantages enumerated below and deficiencies can be noted to all video cards of this series.


  • Good performance in the rating and good overclock;
  • Successful design PCB, which makes possible to overclock 1.2-ns memory to the unattainable earlier frequencies;
  • Sufficiently effective and relatively low-noise cooling system;
  • Support HDR smoothing simultaneously;
  • Video card is based on the first and thus far unique graphic chip with the support Of directX 10 and Shader model 4.0.


  • High energy consumption and heat emission of the graphic chip g80 (it is higher than in ATI r580 )
  • Occupy the minimum of two slots on the motherboard,
  • Impossibility to apply the pencil voltmod GPU a drop in the voltage GPU under load;
  • Absence of function VIVO the absence of the support to resolution 1080p with the use of HDCP;

So answer to the final question is A64 x2 enough for such video card ? In the majority of previously tested games the speed of this processor proved to be sufficiently for guaranteeing the minimum quantity of frame rate in the most suitable regimes for this video card (1280x1024 and 1600x1200 with 4x AA and 16 AF). As the exception it is possible to isolate two games, in which the application of a more rapid platform would bring benefit. This Company Of heroes, which sufficiently strongly loads processor. And Rainbow six vegas, which leaves impression as insufficient optimized product. Actual, why developers of games spend many months on the optimization, if on the market there is GeForce 8800 GTS/GTX and Intel core 2 Duo? so in the cuurent year such games will become more.

However, as far as the use of two video card geForce 8800 GTS in regime SLI is concerned, here all simply – is better to take one GeForce 8800 GTX. Only six of nine tested games obtained addition from the start regime SLI and if we enlarge their list, then this relationship will remain approximately at the same level.

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