3DMark03 measures performance by simulating games written to DirectX 9, which are contemporary games. We run this program in three resolutions, 1024x768x32, 1280x1024x32 and 1600x1200x32, first without antialiasing and anisotropic filtering, and then configuring antialising at 4x and anisotropic filtering also at 4x. This improves the video quality but lowers the performance. We were willing to see how much performance we lost by putting the VGA to run at the maximum possible image quality. It is important to notice that ATI chips can run at 6x antialiasing. Since nVidia chips cannot run at this configuration, we had to use 4x antialiasing to use a configuration that is valid to all video cards included in our bechmarks, allowing direct comparison between them.

At a resolution of 1024x768 without any image quality enhancement, nVidia GeForce 6800 GS was 18.01% faster than its rival HIS Radeon X800 GTO, 20.67% faster than ATI Radeon X1600 XT, 23.50% faster than ATI Radeon X1600 XT, 23.55% faster than HIS Radeon X800 GT, 40.08% faster than XFX GeForce 6600 GT, 54.69% faster than Sapphire Radeon X700 Pro, 71.58% faster than factory-overclocked GeForce 6600 256 MB from XFX, 132.82% faster than Albatron GeForce 6600, 173.38% faster than ATI Radeon X600 XT and 225.40% faster than Sapphire Radeon X600 Pro.
nVidia GeForce 6800 GS achieved a performance similar to nVidia GeForce 6800 GT.
nVidia GeForce 6800 GS was beaten by ATI Radeon X1900 XTX, which was 46.60% faster, ATI Radeon X1800 XT, which was 38.51% faster, MSI GeForce 7800 GTX, which was 32.96% faster, nVidia GeForce 7800 GT, which was 21.93% faster, ATI Radeon X1800 XL, which was 16.47% faster and ATI Radeon X850 XT P.E., which was 13.27% faster.

At a resolution of 1280x1024 without any image quality enhancement, nVidia GeForce 6800 GS was 17.56% faster than its rival HIS Radeon X800 GTO, 24.79% faster than HIS Radeon X800 GT, 26.52% faster than ATI Radeon X1600 XT, 29.77% faster than ATI Radeon X1600 XT, 45.41% faster than XFX GeForce 6600 GT, 64.16% faster than Sapphire Radeon X700 Pro, 79.78% faster than factory-overclocked GeForce 6600 256 MB from XFX, 148.28% faster than Albatron GeForce 6600, 193.78% faster than ATI Radeon X600 XT and 250.38% faster than Sapphire Radeon X600 Pro.
nVidia GeForce 6800 GS achieved a performance similar to nVidia GeForce 6800 GT.
nVidia GeForce 6800 GS was beaten by ATI Radeon X1900 XTX, which was 58.11% faster, ATI Radeon X1800 XT, which was 48.51% faster, MSI GeForce 7800 GTX, which was 39.33% faster, nVidia GeForce 7800 GT, which was 25.19% faster, ATI Radeon X1800 XL, which was 21.48% faster and ATI Radeon X850 XT P.E., which was 17.42% faster.

At a resolution of 1600x1200 without any image quality enhancement, nVidia GeForce 6800 GS was 18.43% faster than its rival HIS Radeon X800 GTO, 32.86% faster than ATI Radeon X1600 XT, 34.77% faster than HIS Radeon X800 GT, 36.13% faster than ATI Radeon X1600 XT, 51.62% faster than XFX GeForce 6600 GT, 78.64% faster than Sapphire Radeon X700 Pro, 88.45% faster than factory-overclocked GeForce 6600 256 MB from XFX, 162.70% faster than Albatron GeForce 6600, 230.13% faster than ATI Radeon X600 XT and 291.49% faster than Sapphire Radeon X600 Pro.
nVidia GeForce 6800 GS achieved a performance similar to nVidia GeForce 6800 GT.
nVidia GeForce 6800 GS was beaten by ATI Radeon X1900 XTX, which was 66.03% faster, ATI Radeon X1800 XT, which was 52.82% faster, MSI GeForce 7800 GTX, which was 43.95% faster, nVidia GeForce 7800 GT, which was 39.62% faster, ATI Radeon X1800 XL, which was 24.28% faster and ATI Radeon X850 XT P.E., which was 19.56% faster.

At a resolution of 1024x768 enabling image quality enhancements, nVidia GeForce 6800 GS was 25.82% faster than its rival HIS Radeon X800 GTO, 37.42% faster than ATI Radeon X1600 XT, 42.67% faster than ATI Radeon X1600 XT, 45.77% faster than HIS Radeon X800 GT, 63.78% faster than XFX GeForce 6600 GT, 97.32% faster than factory-overclocked GeForce 6600 256 MB from XFX, 100.56% faster than Sapphire Radeon X700 Pro, 187.68% faster than Albatron GeForce 6600, 247.97% faster than ATI Radeon X600 XT and 308.66% faster than Sapphire Radeon X600 Pro.
nVidia GeForce 6800 GS achieved a performance similar to nVidia GeForce 6800 GT.
nVidia GeForce 6800 GS was beaten by ATI Radeon X1900 XTX, which was 69.22% faster, ATI Radeon X1800 XT, which was 60.63% faster, MSI GeForce 7800 GTX, which was 45.14% faster, ATI Radeon X1800 XL, which was 36.31% faster, nVidia GeForce 7800 GT, which was 31.55% faster and ATI Radeon X850 XT P.E., which was 18.52% faster.

At a resolution of 1280x1024 enabling image quality enhancements, nVidia GeForce 6800 GS was 26.03% faster than its rival HIS Radeon X800 GTO, 34.11% faster than ATI Radeon X1600 XT, 38.85% faster than ATI Radeon X1600 XT, 44.60% faster than HIS Radeon X800 GT, 97.29% faster than XFX GeForce 6600 GT, 104.77% faster than Sapphire Radeon X700 Pro, 105.02% faster than factory-overclocked GeForce 6600 256 MB from XFX, 235.67% faster than Albatron GeForce 6600, 271.95% faster than ATI Radeon X600 XT and 314.60% faster than Sapphire Radeon X600 Pro.
nVidia GeForce 6800 GS achieved a performance similar to nVidia GeForce 6800 GT.
nVidia GeForce 6800 GS was beaten by ATI Radeon X1900 XTX, which was 88.40% faster, ATI Radeon X1800 XT, which was 80.10% faster, MSI GeForce 7800 GTX, which was 53.89% faster, ATI Radeon X1800 XL, which was 44.26% faster, nVidia GeForce 7800 GT, which was 36.14% faster and ATI Radeon X850 XT P.E., which was 24.94% faster.

At a resolution of 1600x1200 enabling image quality enhancements, nVidia GeForce 6800 GS was 24.91% faster than its rival HIS Radeon X800 GTO, 45.37% faster than ATI Radeon X1600 XT, 50.64% faster than HIS Radeon X800 GT, 50.88% faster than ATI Radeon X1600 XT, 110.98% faster than factory-overclocked GeForce 6600 256 MB from XFX, 113.91% faster than Sapphire Radeon X700 Pro, 124.87% faster than XFX GeForce 6600 GT, 275.95% faster than Albatron GeForce 6600, 427.46% faster than ATI Radeon X600 XT and 464.47% faster than Sapphire Radeon X600 Pro.
nVidia GeForce 6800 GS was beaten by ATI Radeon X1900 XTX, which was 103.37% faster, ATI Radeon X1800 XT, which was 90.73% faster, MSI GeForce 7800 GTX, which was 59.23% faster, nVidia GeForce 7800 GT, which was 52.11% faster, ATI Radeon X1800 XL, which was 50.40% faster, ATI Radeon X850 XT P.E, which was 30.12% faster and nVidia GeForce 6800 GT, which was 4.07% faster.