Benchmarks - Serious Sam: The Second Encounter (OpenGL)
For the final game test we'll look at the OpenGL based title Serious Sam: Second Encounter. In this case we'll use the "The Pit" Custom Firing Squad Demo.

S:SE (FPS) | 640x480 | 800x600 | 1024x768 | 1280x1024 | 1600x1200 |
X800 XT PE | 135.8 | 132.3 | 127.8 | 121.3 | 113.2 |
X800 PRO | 135.1 | 132.0 | 127.2 | 117.8 | 100.3 |
9800 XT | 137.8 | 134.4 | 128.9 | 119.6 | 99.0 |
9800 PRO | 138.0 | 134.6 | 117.8 | 88.1 | 63.7 |
9700 PRO | 135.7 | 132.9 | 128.7 | 110.6 | 85.6 |
X800 XT PE % Difference | 640x480 | 800x600 | 1024x768 | 1280x1024 | 1600x1200 |
X800 PRO | 0.5% | 0.2% | 0.5% | 3.0% | 12.9% |
9800 XT | -1.5% | -1.6% | -0.9% | 1.4% | 14.3% |
9800 PRO | -1.6% | -1.7% | 8.5% | 37.7% | 77.7% |
9700 PRO | 0.1% | -0.5% | -0.7% | 9.7% | 32.2% |
X800 PRO % Difference | 640x480 | 800x600 | 1024x768 | 1280x1024 | 1600x1200 |
9800 XT | -2.0% | -1.8% | -1.3% | -1.5% | 1.3% |
9800 PRO | -2.1% | -1.9% | 8.0% | 33.7% | 57.5% |
9700 PRO | -0.4% | -0.7% | -1.2% | 6.5% | 17.2% |
Again the X800 XT PR is fairly CPU limited under normal rendering, however it opens up a gap to the 9800 XT to the tune of 14%. Here we see that X800 PRO is only at the same performance as the 9800 XT, and in fact slightly behind it in a couple of resolutions.

S:SE - 4X FSAA + 16X AF (FPS) | 640x480 | 800x600 | 1024x768 | 1280x1024 | 1600x1200 |
X800 XT PE | 136.7 | 129.3 | 119.4 | 100.7 | 83.3 |
X800 PRO | 132.9 | 124.4 | 110.9 | 84.9 | 67.4 |
9800 XT | 138.0 | 134.6 | 117.8 | 88.1 | 63.7 |
9800 PRO | 137.4 | 130.5 | 111.0 | 82.2 | 61.2 |
9700 PRO | 135.0 | 127.7 | 102.4 | 74.0 | 52.4 |
X800 XT PE % Difference | 640x480 | 800x600 | 1024x768 | 1280x1024 | 1600x1200 |
X800 PRO | 2.9% | 3.9% | 7.7% | 18.6% | 23.6% |
9800 XT | -0.9% | -3.9% | 1.4% | 14.3% | 30.8% |
9800 PRO | -0.5% | -0.9% | 7.6% | 22.5% | 36.1% |
9700 PRO | 1.3% | 1.3% | 16.6% | 36.1% | 59.0% |
X800 PRO % Difference | 640x480 | 800x600 | 1024x768 | 1280x1024 | 1600x1200 |
9800 XT | -3.7% | -7.6% | -5.9% | -3.6% | 5.8% |
9800 PRO | -3.3% | -4.7% | -0.1% | 3.3% | 10.1% |
9700 PRO | -1.6% | -2.6% | 8.3% | 14.7% | 28.6% |
With 4X FSAA and 16X AF enabled the grater fill-rate and bandwidth of the X800 XT PE allow it to pull ahead of the 9800 XT by about 31% at high resolutions. Again, we see the X800 PRO languishing at around the same performance as the 9800 XT for most resolutions bar 1600x1200.

X800 XT PE | 640x480 | 800x600 | 1024x768 | 1280x1024 | 1600x1200 |
Normal | 135.8 | 132.3 | 127.8 | 121.3 | 113.2 |
16X AF | 137.2 | 130.7 | 121.5 | 110.4 | 96.9 |
4X FSAA | 135.7 | 133.9 | 127.7 | 116.4 | 98.7 |
4X FSAA + 16X AF | 136.7 | 129.3 | 119.4 | 100.7 | 83.3 |
% Diff from Normal | 640x480 | 800x600 | 1024x768 | 1280x1024 | 1600x1200 |
16X AF | 1.0% | -1.2% | -4.9% | -9.0% | -14.4% |
4X FSAA | -0.1% | 1.2% | -0.1% | -4.0% | -12.8% |
4X FSAA + 16X AF | 0.7% | -2.3% | -6.6% | -17.0% | -26.4% |
Here we see that the performance penalty for enabling 16X AF on the x800 XT PE is a little greater than enabling 4X FSAA, however enabling them both has pretty much a cumulative performance penalty.

X800 XT PE | 640x480 | 800x600 | 1024x768 | 1280x1024 | 1600x1200 |
Normal | 135.1 | 132 | 127.2 | 117.8 | 100.3 |
16X AF | 133.8 | 126 | 118.7 | 100.3 | 83.7 |
4X FSAA | 134.2 | 131.8 | 124.5 | 104.4 | 82.1 |
4X FSAA + 16X AF | 132.9 | 124.4 | 110.9 | 84.9 | 67.4 |
% Diff from Normal | 640x480 | 800x600 | 1024x768 | 1280x1024 | 1600x1200 |
16X AF | -1.0% | -4.5% | -6.7% | -14.9% | -16.6% |
4X FSAA | -0.7% | -0.2% | -2.1% | -11.4% | -18.1% |
4X FSAA + 16X AF | -1.6% | -5.8% | -12.8% | -27.9% | -32.8% |
On the X800 PRO there is a slightly higher performance penalty for enabling 4X FSAA than there is for 16X AF, but once again we can see that enabling both give a nearly cumulative performance hit.