An old lady tested this card on Athlon and P4 platform and you will clearly see how the Athlon's performance lagged big time compared to the Pentium 4. Intel is, of course, a very good friend of ATI on the face of it. She tested it on 1024x768 and 1280x1024 and got:

For more info and the old lady's benchmarks warp 2 ... TheInquirer