The lightest mode (no AA or anisotropy): R420 defeats 400 MHz NV40. 450 MHz help GeForce 6800 Ultra get closer to its rival, but the gap is still visible.
The heaviest mode (both AA and anisotropy): X800 XT wins, although 450 MHz almost enabled NV40to catch up with its rival.
But what was the cause of such increase? Let us look at the quality.
As we see, the NVIDIA family certainly has problems with quality. It seems like NV4x/3x have shader execution precision lowered to 16 bits, while ATI R4xx/3xx still uses a 24-bit precision. But is driver 61.11 to blame? Well, it was no accident that I combined NV3x and 4x. Yes, the picture is the same in NV3x, and moreover, in both 56.56 and 60.72 versions. It is patch 1.1 to the game that is responsible for all this. But why? Who is to blame in the first place? I won't assert anything, although the fact that the game belongs to program "The way It's Meant To Be Played" is quite indicative. I wouldn't like to think that NVIDIA forced the developers to lower shader execution precision for NV3x in order to raise the speed (when patch 1.1 appeared, NVIDIA was happy about a speed increase in NV35/38, but nothing was said about the decrease in quality). So, I'll leave the conclusions to the readers and comanies' officials, but the fact is that NV3x/NV4x has a worse quality than R3xx/4xx in this game, and besides, the NVIDIA product even loses to its rival. NVIDIA claims it's all because of the developers' mistake. So, we'll be waiting for patch 1.2 which has been declared to fix it.
Call of Duty, ixbt04
The lightest mode (no AA or anisotropy): NV40 wins everywhere and look at the speed increase in 61.11.
The heaviest mode (both AA and anisotropy): the same thing.
Of course, you can say that the situation is rather unstable and the gains may be followed by falls (as was before). You can also ask if it's better to make the card and the drivers with everything preset at the maximum. Well, in my opinion, if the card costs about USD 600, the producers might have done everything before its release. Especially if we're talking about an experienced company with good programmers, such as NVIDIA.
HALO: Combat Evolved
The lightest mode (no AA or anisotropy): roughly, a parity, although 450 MHz helped NV40 to win a slight victory.
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