Radeon HD 2900 GT and Radeon HD 2600 XT - video card comparison
Passmark - benchmark score Radeon HD 2900 GT vs Radeon HD 2600 XT
Radeon HD 2900 GT
301
Radeon HD 2600 XT
290
Radeon HD 2900 GT
Radeon HD 2600 XT
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
R600
RV630
Market segment
Desktop
Desktop
Release date
November 2007
June 2007
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 8-pin
None
Core clock speed
601 MHz
800 MHz
Floating-point performance
288.48 gflops
192 gflops
Manufacturing process technology
80 nm
65 nm
Number of transistors
720 million
390 million
Pipelines / CUDA cores
240
120
Power consumption (TDP)
150 Watt
45 Watt
Texture fill rate
7.212
6.400
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1600 MHz
1400 MHz
Memory bandwidth
51.2 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.0 (10_0)
10.0 (10_0)
OpenCL
N/A
N/A
OpenGL
3.3
3.3
Shader Model
4.0
4.0
Vulkan
N/A
N/A