Far Cry
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The 7800 GS boards respresent a 15-20% increase over 6800 Ultra, which shows that a surfeit of memory bandwidth and better per-clock performance can overcome a pure pixel output rate. Witness the BFG outrun the MSI NX6800 Ultra at both resolutions. The X1600 PRO AGP ends up faster than the 6800 standard at 1600x1200 (it has twice the framebuffer), with 5900 Ultra trailing everything.
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The HDR results show how the clock scaling of the three 7800 GS products affects performance. The eVGA e-GeForce is the logical winner.