
Radeon X1900 XTX and GeForce 6800 GS - video card comparison
Radeon X1900 XTX
GeForce 6800 GS
Architecture
R500 (2005−2007)
Curie (2003−2013)
GPU code name
R580
NV41
Market segment
Desktop
Desktop
Release date
January 2006
November 2005
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
650 MHz
425 MHz
Manufacturing process technology
90 nm
130 nm
Number of transistors
384 million
190 million
Power consumption (TDP)
135 Watt
-
Texture fill rate
10.40
5.100
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1550 MBps
1000 MBps
Memory bandwidth
49.6 GB/s
32 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
9.0c (9_3)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
2.1 (full)
Shader Model
3.03.0
Vulkan
N/A
N/A