GeForce 8800 gtx and GeForce 8800 gts specification review

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POSTER: pc hardware news   ||   GEFORCE 8800 GTX AND GEFORCE 8800 GTS SPECIFICATION REVIEW	DATE:2006-10-05
Today was published the characteristics of video card GeForce 8800 gtx and GeForce 8800 gts, which finally took clear forms - the announcement of the corresponding products was outlined for the second week of November. By the way, the accessibility of such video card in retail, will be immediate: in the morning  or evening of the announcement date Thus, let us begin from the card on name GeForce 8800 gtx: Frequency of video chip is 575 MHz. Which   characteristic, 128 unfield shader blocks will  operate at the frequency of 1350 MHz. As you see, strategy of the clock frequencies with different design  for different functional blocks inside the video chip continues to excit with the new GPU. The memory frequency of 1800 MHz DDR. the most amusing, that we will see on GeForce 8800 GTX memories of  type Gddr-3. Answer to the question "why not Gddr-4?" are in the video memory of  GeForce 8800 gtx - such video card  will have 768 mb  memory. I.e., to the usual 512 mb. are added 256 additional mb. - most likely, for the needs of   physical effects or other specific tasks. If GeForce 8800 gtx use memory Gddr-4 of this volume, price would be a lot higher  and the card will be less attractive. The memory bus  also has uncommon word length - 384 bits. I.e., to the usual 256 bits with  added 128 additional bits .this  explains the U-shaped arrangement of the memory microcircuits  around the videochip on the graphic map GeForce 8800 gtx. Finally, the pair of speed characteristics: memory ensures the brandwidth og 86 Gbit/s, videochip fills rate equal to 38.4 with billion pixel per second. Second video card of this family is on  name GeForce 8800 gts differs in terms of the modest characteristics: Chip Frequency of  500 MHz. 96 unfield shader blocks, which work at the frequency of 1200 MHz. Memory Frequency Of  1800 MHz DDR. 640 mb memory type Gddr-3 (512 + 128). the 320- bit Memory bus (256 + 64). The memory brandwidth  64 Gbit/s. we should add as well  that both video card will   support DirectX 10 and Shader Model 4.0, and also Dual- link DVI, HDCP, VIVO and HDTV. about the requirements for the power supplay we  already said in previous news . The second news is about the fact that video card on base of chip G80 will  support the physics acceleration at the hardware level. Within the framework of the technology, called Quantum Effects (name can change in the final version), is implied the use  a part of the unfield shader blocks of video chip G80 to  calculate the physical effects. Strictly speaking, this confirms the  previous data about the special features of  G80 with the "physical" effects. Possible to assume that those "additional" megas-byte of memory and the 128  memory bus were necessary for G80  exactly for the work with "physics". However, in the absence of clearly expressed "physical load" they hardly will  stay in separate from the remaining resources of the video card. It should be noted that the "physical" technology from NVIDIA can  work also without SLI, on single video card. NVIDIA gives us to understood that Quantum will compete with AGEIA PhysX... Related Products :

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