Quadtet: Nvidia GeForce 7900 Quad SLI Performance Unveiled. Page 24
[04/30/2006 02:24 AM | Graphics]
by Anton Shilov , Alexey Stepin
When announcing the quad SLI technology at CES 2006, Nvidia Corp. stated that there are some gamers who desire to have extreme performance, quality and exclusivity, but did not begin shipping such products immediately. At CeBIT 2006 the company stated that the systems featuring four GPUs were shipping, even though not all system makers can supply such computers even now. Two announcements and several systems shipped to end-users later, X-bit labs is publishing the performance preview of the technology that made such a loud hype to reveal all the truth about it. Check out how a GeForce 7900 quad SLI performs against rivals in over 10 games.
The third test requires a high texturing speed as well as fast processing of complex shaders. But even with four graphics processors working all together, the GeForce 7900 quad SLI is again slower than the dual-chip GeForce 7900 GTX SLI and the Radeon X1900 XT CrossFire.
Just like in the two previous tests, the GeForce 7900 quad SLI is ahead of the GeForce 7900 GTX SLI and of the Radeon X1900 XT CrossFire when we switch from 4x FSAA to 8x FSAA (8x SLI AA). The advantage is over 60% and the low memory bandwidth (at a frequency of only 600 (1200) MHz) doesn’t ruin the performance of Nvidia’s four-GPU subsystem in this mode.
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