The ATi Radeon X850XT:
256MB GDDR3, 256-Bit
Chipset/Core Speed: ATI Radeon X850 XT/520MHz
Memory/Effective Speed: 256MB GDDR3/1080MHz
BUS: PCI-Express x16
Max Resolution@32bit Color: 2048X1536@85Hz
Nice core and memory speeds. I can see how it's better than a 6600GT.
GeForce 6600GT
128MB DDR3, 128-Bit
Chipset/Core Speed: nVIDIA GeForce 6600GT/500MHz
Memory/Effective Speed: 128MB DDR3/1000MHz
BUS: PCI-Express x16
Max Resolution@32bit Color: 2048X1536@85Hz
RAMDACs: 400MHz
Pretty good considering I payed around $190 for my video card.