Radeon HD 2900 XT and Radeon X1950 PRO - video card comparison
Passmark - benchmark score Radeon HD 2900 XT vs Radeon X1950 PRO
Radeon HD 2900 XT
679
Radeon X1950 PRO
115
Radeon HD 2900 XT
Radeon X1950 PRO
Architecture
TeraScale (2005−2013)
R500 (2005−2007)
GPU code name
R600
RV570
Market segment
Desktop
Desktop
Release date
May 2007
October 2006
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Core clock speed
743 MHz
575 MHz
Floating-point performance
475.5 gflops
-
Manufacturing process technology
80 nm
80 nm
Number of transistors
720 million
330 million
Pipelines / CUDA cores
320
-
Power consumption (TDP)
215 Watt
66 Watt
Texture fill rate
11.89
6.900
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1656 MHz
1380 MHz
Memory bandwidth
106.0 GB/s
44.16 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.0 (10_0)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
3.3
2.0
Shader Model
4.0
3.0
Vulkan
N/A
N/A