Testing: All test were done on the following system:

• AMD 3800+ X2
• Asus A8N motherboard
• 1 Gig of PC4200 DDR2 RAM
• 80GB Maxtor SATA
• Windows XP SP2

Benchmarks
Sisoft Sandra
3DMark03
3DMark05
Battlefield2
Black & White 2

As stated in the Sapphire X800 XL review, the benchmarks provide synthetic scores as well as relative performance. So, take a look at what the X850 XT card benchmarked.