Originally posted by: bluehaze013
Originally posted by: GonePlaid
Stay away from the Sapphire one it only seems to list as having a Memory Interface of 256-bit while the others have 512-bit (256x2) not sure if it's a typo.
They are reference cards, they are all the same except for clock speeds which really don't matter that much anymore either as if it's anything like the past they will all overclock close to the same regardless of the stock clock. eventually some will have gddr4 memory but none currently do.
Here are the specs on the Sapphire just for reference:
Chipset HD 3870 x2
Engine clock 825MHz
Stream processors 320 x2
RAMDAC 400MHz x2
Memory clock 900MHz GDDR3
Memory interface 256-bit + 256-bit
Memory Support 2x 512MB
Cooling Active dual slot cooling
Bus Interface PCI-Express x16
Variable display outputs Dual DVI, TV out, VGA & HDMI via adapter
Max 3D resolution 2560x1600 (dual-link DVI)
1024 x 768 (TV out)
Hardware Features DirectX® 10.1
ShaderModel 4.1
Software Feature ATI AvivoTM