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It's not until we hit 1280 x 1024 do we see a difference. With 4x AA and 16x AF enabled, the Radeon X1900 XTX is around 20 to 30 fps faster than the GeForce 7800GTX Performance levels with 6xAA with 16x HQ AF on the Radeon X1900 XTX is pretty much the same with 4xAA and 16x AF on the higher clocked GeForce 7800GTX. We do see a slight difference between 4x and 6x AA and also HQ AF, so they do come with a minimal performance penalty in this game. In 1600 x 1200, this becomes more apparent: we're losing about 10 fps with HQ AF and almost 20 fps with 6x AA and HQ AF.

	GeForce 7800GTX TOP		GeForce 7800GTX		Radeon X1900 XTX
	Default	4x AA 16x AF	Default	4x AA 16x AF	Default	4x AA 16x AF
<30 fps	0	0	0	0	0	0
30-45 fps	0	0	0	0	0	0
45-60 fps	0	0	0	0	0	0
60-90 fps	0	38	0	141	0	1
90-120 fps	19	213	26	117	12	120
>120 fps	240	8	233	1	247	138
Total	259	259	259	259	259	259

results are in seconds

You can see clearly the Radeon X1900 XTX is besting both GTX, both in default and with AA and AF enabled. The Radeon X1900 only dipped slightly to the 60 - 90 fps range, spending 1 second there and continues to maintain a comfortable frame rate above 90 and 120 fps throughout the rest of the replay. In comparison, we can see the higher clocked GeForce 7800GTX dipped to below 90 fps at some point during the replay. The standard clocked GeForce 7800GTX even spent more than nearly two minutes between 60 - 90 fps (141 seconds).

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