[H] Enthusiast has a comparison of the ATI Radeon HD 2600 XT 256 MB GDDR4 and the XFX GeForce 8600 GT XXX 256 MB GDDR3. These two cards are very similarly priced however the ATI offering is becoming harder and harder to find.

They went through many many testing methods using various games and benchmarks to find their conclusion about the two cards.

HIS Radeon HD 2600 XT

XFX Geforce 8600 GT

[H] Enthusiast – ATI Radeon HD 2600 XT