GeForce 7950 GX2 and Radeon X1800 CrossFire Edition - video card comparison
GeForce 7950 GX2
Radeon X1800 CrossFire Edition
Architecture
Curie (2003−2013)
R500 (2005−2007)
GPU code name
G71
R520
Market segment
Desktop
Desktop
Release date
June 2006
December 2005
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
500 MHz
600 MHz
Manufacturing process technology
90 nm
90 nm
Number of transistors
278 million
321 million
Power consumption (TDP)
110 Watt
113 Watt
Texture fill rate
12.00
9.600
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1200 MHz
1400 MHz
Memory bandwidth
38.4 GB/s
44.8 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
9.0c (9_3)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
2.1
2.0
Shader Model
3.0
3.0
Vulkan
N/A
N/A