DOOM 3
Again, there's surprisingly little performance difference between the XFX GeForce 6800 GT and a GeForce 7800 GTX. It leads us to believe that XFX is using memory with tighter-than-average timings. RADEON OpenGL performance still looks fairly lame in comparison.
The same blue line as on the previous page. This time, though, it helps the SAPPHIRE X1800 XL to match a GeForce 6800 Ultra's performance, but it remains almost 20% slower than the XFX GeForce 7800 GT at the highest setting.
