R580+ to give Quad SLI a run for its money?

Just as NVIDIA opens up Quad SLI to the enthusiast crowd, early benchmarks of ATI's upcoming Radeon X1950 XTX have surfaced. The benchmarks stack a pair of X1950s running in CrossFire mode against two GeForce 7950 GX2 dual-PCB graphics cards running in Quad SLI. Surprisingly, the numbers show the dual Radeons consistently outperforming the quad GeForces in games like Call of Duty 2, Half Life 2: Episode One, Quake 4, and Oblivion at resolutions 1600x1200 and higher with 4x antialiasing and 8x anisotropic filtering. That said, the benchmarks seem to come from either ATI or its partners, so there's no telling how accurate they areā€”both ATI and NVIDIA often release highly optimistic numbers for their products.

Fortunately, the Radeon X1950 XTX's performance may not remain a mystery for long. According to recent leaks, the card is scheduled to launch between August 23 and August 27. It will include a R580+ graphics processor running at 650MHz with 48 pixel shader processors, and sport GDDR4 RAM running at an effective 2GHz.

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