GeForce 7900 GTX and GeForce 7800 GTX 512 - video card comparison
GeForce 7900 GTX
GeForce 7800 GTX 512
Architecture
Curie (2003−2013)
Curie (2003−2013)
GPU code name
G71
G70
Market segment
Desktop
Desktop
Release date
March 2006
November 2005
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
650 MHz
500 MHz
Manufacturing process technology
90 nm
110 nm
Number of transistors
278 million
302 million
Power consumption (TDP)
84 Watt
108 Watt
Texture fill rate
15.60
12.00
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1600 MHz
1600 MBps
Memory bandwidth
51.2 GB/s
51.2 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
2.1
Shader Model
3.0
3.0
Vulkan
N/A
N/A