NVIDIA GeForce 8800 GTX Review
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A first in its class to support Direct X 10, with unified architecture and 128 stream processors, that combine to provide awesome graphics
In the last month’s review of ATi Radeon X1950 Crossfire (p127), we had Prophesied that with the launch of vista, it’s only a matter of time before we the first Direct X10 compatible graphics cards. As fats would have it, NVIDIA’s first DIrect X10 compatible card GeForce 8800 GTX, is already with us. This card boasts of a new architecture called ‘ unified architecture, which does away with the need to have separate pixel pipelines and texture pipelines to achieve particular tasks. All data is allocated to the GPU dynamically. This provides faster response times and prevents hardware from being idle at any point of time. GeForce 8800 GTX has a croe clock speed of 575 MHz, with 768 MB of GDDR 3 memory and a memory sprrd 0f 900 MHz. It has 128 stream processor to dynamicallly process information, and supports both HDTV and HDCP. NVIDIA still hasn’t brought GDDR4 memory support into its proudcts unlike ATi, who have used it in radeon 1950 Pro and X1950 CrossFire. But they have introduced quantum effects physics processing technology that enables an entirely new level of effects (such as sharper, crispier display) to be simulated and GPU, at the same time freeing the CPU to run the game engine
Performance
We tested this card with various various gaming and graphics tests. in 3D Mark 05 it scored a mammoth 16260 3DMarks at 1024×768 resolution which is very high when compared with ATI Radeon X1950 crossfire edition which scored 10223. It gave a score of 10624 in 3D Marks 06 at 1024×768 which improved further to 10825 when we increased the resolution to 120×960.
In FEAR, at maximum setting [ie with AA (anti-aliasing of 4x and AF at 16x] it gave a maximum score of 424 fps, which is about 200 fps more than what we got with ATi Radeon x1950 Cross-fire. In Prey, it comprehensively beat X1950 Crossfire with a score of 129.1 fps at maximum setting, compared to ATi’s 65.1 fps In Doom 3 it scored 205 fps with AA set at 16x, again leving ATi Radeon X1950 Cross fire far behind (142.5 fps).
This card requires two power connectors for power supply and consumes a little more power than NVIDIA cards we reviewed previously.
Not only does GeForce 8800 GTX have a new unified architecture, 128 stream processors and much improved image quality, it is the first card with Direct X10 support. At just above Rs 35k, it surely 1950 CrossFire, which costs a little less, requires two cards to use CrossFire ability.
Price:Rs 35,000 (3 yr warranty)
Key Specs:768 MB GDDR3, 575MHz core, 900 MHz memory, HDCP, XHD, HDTV
A good choice for pro gamers who also want to migrate to Vista.
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