16-01-2009
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 | Member | | Join Date: Apr 2008
Posts: 383
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| Nvidia GeForce GTX 285
NVIDIA unveiled the GeForce GTX 295, and with it reclaimed the overall 3D performance crown from a resurgent AMD. As you may know by now, the dual-GPU powered GeForce GTX 295 features a pair of re-worked GT200 GPUs, manufactured using a more advanced 55nm fabrication process than its 65nm predecessor. Looking at the specifications for the individual GPUs used on the GeForce GTX 295, however, revealed something interesting. You see, the GPUs on the GeForce GTX 295 featured a full complement of 240 shader cores, like the former flagship GTX 280, but they had "only" a 448-bit memory interface. The GeForce GTX 280 had a 512-bit interface.
The lowest price we could find was for a Zotac card at stock speeds on eBuyer, which cost just £294.99 inc VAT. However, there are also some overclocked cards doing the rounds. For example, Overclockers has a BFG card with a 712MHz core, a 1.62GHz shader clock and 1.332GHz (2,664MHz effective) memory memory available for pre-order, although it’s not cheap at £379.49 inc VAT. As standard, the GeForce GTX 285 has a 648MHz core clock, with 1.476GHz stream processors and 1.242GHz (2.484GHz effective) memory, plus a 512-bit memory interface.
Take your DirectX® 10 gaming beyond HD, with the power of GeForce GTX 285 GPUs. Place yourself in the center of the action and experience true DirectX 10 gaming cinema in extreme HD (2560x1600) resolutions—all enabled by GeForce 200 Series’ second generation unified architecture, NVIDIA® SLI® technology, and incredible performance in the latest games including Far Cry 2, Mirrors Edge, and Call of Duty 5: World at War. With up to 50% more performance than prior generation GPUs, GeForce GTX 285 GPUs tear through complex DirectX 10 environments and cinematic effects at blazing frame rates in extreme HD resolutions.
The GeForce GTX 285's reference specifications call for a 648MHz core clock and a 1476MHz shader clock, with 1GB of GDDR3 memory running at 1242MHz (2484MHz DDR). The card sports a 512-bit memory interface and at the clocks mentioned here, it offers total memory bandwidth of 159GB/s. The number of shader cores (240), ROP units (32), and texture filtering units (80), remains unchanged from the GeForce GTX 280. Max board power has been reduced to 183 watts, from 236 watts on the 280. And the card needs only a pair of 6-pin PCI Express power feeds. No 8-pin feeds are necessary.  |
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