Radeon X1950 XTX and Radeon HD 2900 XT - video card comparison
Radeon X1950 XTX
Radeon HD 2900 XT
Architecture
R500 (2005−2007)
TeraScale (2005−2013)
GPU code name
R580+
R600
Market segment
Desktop
Desktop
Release date
October 2006
May 2007
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Core clock speed
650 MHz
743 MHz
Floating-point performance
-
475.5 gflops
Manufacturing process technology
90 nm
80 nm
Number of transistors
384 million
720 million
Pipelines / CUDA cores
-
320
Power consumption (TDP)
125 Watt
215 Watt
Texture fill rate
10.40
11.89
Memory type
GDDR4
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
512 Bit
Memory clock speed
2000 MHz
1656 MHz
Memory bandwidth
64 GB/s
106.0 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
9.0c (9_3)
10.0 (10_0)
OpenCL
N/A
N/A
OpenGL
2.0
3.3
Shader Model
3.0
4.0
Vulkan
N/A
N/A