GeForce 7900 GTO and Radeon X1800 GTO - video card comparison
GeForce 7900 GTO
Radeon X1800 GTO
Architecture
Curie (2003−2013)
R500 (2005−2007)
GPU code name
G71
R520
Market segment
Desktop
Desktop
Release date
October 2006
March 2006
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
650 MHz
500 MHz
Manufacturing process technology
90 nm
90 nm
Number of transistors
278 million
321 million
Power consumption (TDP)
81 Watt
48 Watt
Texture fill rate
15.60
6.000
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1320 MHz
990 MHz
Memory bandwidth
42.24 GB/s
31.68 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