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FSAA Performance


These graphs show how enabling the different settings on both the PowerColor Geforce2 GTS and MX cards effected their performance. As you can see, by enabling FSAA, regardless of which degree FSAA is enabled, dipped the Geforce2 MX's frame rate below 30FPS, the threshold for being "playable." The Geforce2 GTS card, however, was still "playable" with 4 sample anti-aliasing at 640x480 or with 2 sample anti-aliasing at 800x600. None of the cards were playable at any FSAA setting under 1024x768.
Notice how in the graph, starting on the 5th FSAA setting, regardless of the resolution, the performance levels off. This is because the cards run out of memory, forcing the card to run at a lower FSAA setting.


Here, you see that the game is still playable in all settings for the Geforce2 GTS card and still playable until 800x600 or the first FSAA setting under 1024x768 on the Geforce2 MX card.
As you can see, under 640x480, the different FSAA settings for the Geforce2 GTS card didn't change the performance level much, while with the Geforce2 MX, we see huge performance drops. Remember what we saw in earlier graphs, that the Geforce2 GTS's main power lies in rendering higher resolutions while the Geforce2 MX card isn't the greatest at these same resolutions. Rendering with the different FSAA settings effectively means that the graphics card is actually rendering at a much higher resolution--that is the reason why the Geforce2 GTS simply remains much unchanged at the different FSAA setting under low resolutions. Unfortunately, even a monsterously powerful chip such as the Geforce2 GTS doesn't have enough horsepower to keep this trend for the higher FSAA settings at higher resolutions.
On to: Conclusion
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