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ATI RADEON X1950 PRO REVIEW BENCHMARK AND OVERCLOCKING | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
from an architectural view, the RV570 herits its predecessors, it is characterized however by its CrossFire logic integrated. Remember, until now the technology multi-VPU of ATI required, for the high-end-range models the purchase of a qualified graphics card or master card. This one was distinguished from the traditional cards by the presence of a whole set of additional electronic components aiming to recover the image calculated by the second card and to mix it with that generated by the first card. The recovery operations and assembly of image were thus done out of the graphics chip what had the advantage of not overloading the latter by wasting clock cycles to reassemble images. in the other hand, the system required the famous master card, generally rather difficult to get, as well as an imposing external cable to connect the two graphics card. We will not even evoke the limitations of the first CrossFire cards containing Radeon X850 which could not exceed the 1600x1200 resolution with… 60 Hz! In short, CrossFire from view of its hardware implementation did not seem as elegant as solution SLI from NVIDIA.
Large plan on the double connector then on once this one assembled the CrossFire system
ATI Radeon X1950 ProPhysically, the reference card provided by ATI proves rather large with a length of approximately 23 cm. Preserving the traditional red PCB of ATI, Radeon X1950 Pro reference adopts a simple stages cooling system covering about all the card. Composed of a copper radiator and red plastic , the device has in its right end a fan. This one unfortunately has the characteristic to be relatively noisy, especially with full mode. the cooling system coover as well the memory chips . In full load, the GPU get as high as 68°C .
To evaluate the performances of the last card from ATI we had recourse to the following configuration:
Functioning under Windows XP Professionnel Service Pack 2, this configuration enabled us to test following cards ATI: Radeon X1950 Pro and also Radeon X1900 GT, Radeon X1900 XT 256 MB and Radeon X1950 XTX. It should be noted that Driver CATALYST employed do not allow to activate CrossFire in software mode with Radeon X1950 Pro. To test graphics boards NVIDIA we had recourse to a slightly different configuration, history to be able to activate technology SLI to compare it with CrossFire:
This platform allowed us to test GeForce 7900 GS, GeForce 7900 GT, GeForce 7900 GTX and other GeForce 7950 GT.Side control we used ForceWare 91.47, whereas at ATI we had recourse to the CATALYST 6.10 (Beta version). We activate high quality AF in driver ATI and higher quality mode in driver NVIDIA. x1950 pro 3DMark 06
x1950 pro Quake 4 - v1.2
x1950 pro Tomb Raider Legends - v1.2
x1950 pro Half-Life 2 - Lost Coast
x1950 pro Far Cry v1.4 Beta - HDR 7
x1950 pro Splinter Concealment Theory Chaos - v1.05
x1950 pro F.E.A.R. - v1.07
x1950 pro Need For Speed Most Wanted - v1.2
x1950 pro Call Of Duty 2 - v1.3
Not very effective, the SLI leaves in Call Duty 2 the advantage to Radeon X1950 XTX in 1600x1200 whereas CrossFire Radeon X1950 Pro is hardly more convincing since it equalize the performance of Radeon X1900 XT 256 Mb. the Radeon X1950 Pro does better than GeForce 7900 gt, GS and even GeForce 7950 gt in this game! x1950 pro Call Of Duty 2 - v1.3 - FSAA 4x & Anisowe return to this test but this time with the activation of anisotropic filtering and antialiasing 4x directly from the game menu. . CrossFire Radeon X1950 Pro obtains here performances lower than Radeon X1950 Pro ! the Radeon X1950 Pro preserves a certain advantage over the GeForce 7900 gt and GS but also on GeForce 7950 gt. The last card from ATI is 4% faster than GeForce 7950 gt whereas it is 22% more powerful than GeForce 7900 GS. x1950 pro F.E.A.R. - V1.07 - FSAA 4X + AF 8XReturn to F.E.A.R., where we activate from the game menu the functions of filtering (antialiasing 4x and anisotropic filtering 8x) . CrossFire Radeon X1950 Pro is found in the third place, whereas - only - Radeon X1950 Pro outclasses Radeon X1900 gt (+ 8%) and GeForce 7900 GS (+ 15%). On the other hand, GeForce 7950 gt preserves the advantage, whereas Radeon X1900 XT is 27% all the same faster than Radeon X1950 Pro. x1950 pro Quake 4 v1.2 - FSAA 4x
x1950 pro Half-Life 2 Lost Coast - FSAA 4x + AF8x
ATI Radeon X1950 Pro overclockingas far as overclocking the reference card x1950 pro was pretty modest clocker.such result was preducted since the card at full load with stock clock reach even 70 c.the memory is rated at 1.4 ns mean 1400 MHz withc already close to stock value.the core in our card was overclocked to 650 MHz and the memory to 1525 MHz or 762 ddr ConclusionArrived at the end of this review it is time for us to draw up an assessment of the capacities of Radeon X1950 Pro, the new reference top-end-range medium/from ATI. Far from being displayed like a technological revolution, the last graphics chip from ATI remain as the previous. A little bit faster than Radeon X1900 gt 3 to 5% on average, Radeon X1950 Pro benefits from a very new manufactoring process which enables him to consume a little less power, witch is always appreciable . But the great interest of the RV570 remains its native CrossFire technology. Thus think that CrossFire do not requires a master card any more, nor external cable: a true revolution! All is now integrated in the RV570, so that it is enough to buy two cards Radeon X1950 Pro to create your own CrossFire. Admittedly there are cases where CrossFire just like its equivalent at NVIDIA the SLI, but is other case there is 0 performance profit . but it generally gets a nice performances boost.
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