
GeForce 7800 GTX and Radeon X1900 XT - video card comparison
GeForce 7800 GTX
Radeon X1900 XT
Architecture
Curie (2003−2013)
R500 (2005−2007)
GPU code name
G70
R580
Market segment
Desktop
Desktop
Release date
June 2005
January 2006
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
430 MHz
625 MHz
Manufacturing process technology
110 nm
90 nm
Number of transistors
302 million
384 million
Power consumption (TDP)
86 Watt
100 Watt
Texture fill rate
10.32
10.00
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1200 MHz
1450 MBps
Memory bandwidth
38.4 GB/s
46.4 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 (full)
Shader Model3.03.0
Vulkan
N/A
N/A