ATI Radeon R400 PCIe(X850)(4 models)
Model
VRAM
Boost Clock
TDP
Architecture
Released
Process
Radeon X850 CrossFire Edition
0.25 GB520 MHz69W
Radeon X850 CrossFire Edition
0.25 GB
520 MHz
69W
R400
2006
130 nm
Radeon X850 PRO
0.25 GB507 MHz
Radeon X850 PRO
0.25 GB
507 MHz
—
R400
2004
130 nm
Radeon X850 XT
0.25 GB520 MHz69W
Radeon X850 XT
0.25 GB
520 MHz
69W
R400
2004
130 nm
Radeon X850 XT Platinum
0.25 GB540 MHz67W
Radeon X850 XT Platinum
0.25 GB
540 MHz
67W
R400
2004
130 nm