Radeon HD 2900 GT and Radeon HD 2900 XT - video card comparison
Passmark - benchmark score Radeon HD 2900 GT vs Radeon HD 2900 XT
Radeon HD 2900 GT
301
Radeon HD 2900 XT
679
Radeon HD 2900 GT
Radeon HD 2900 XT
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
R600
R600
Market segment
Desktop
Desktop
Release date
November 2007
May 2007
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin + 1x 8-pin
Core clock speed
601 MHz
743 MHz
Floating-point performance
288.48 gflops
475.5 gflops
Manufacturing process technology
80 nm
80 nm
Number of transistors
720 million
720 million
Pipelines / CUDA cores
240
320
Power consumption (TDP)
150 Watt
215 Watt
Texture fill rate
7.212
11.89
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
512 MB
Memory bus width
256 Bit
512 Bit
Memory clock speed
1600 MHz
1656 MHz
Memory bandwidth
51.2 GB/s
106.0 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