Radeon HD 2900 XT and GeForce GTS 150 OEM - video card comparison
Radeon HD 2900 XT
GeForce GTS 150 OEM
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
R600
G92
Market segment
Desktop
Desktop
Release date
May 2007
March 2009
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
2x 6-pin
Core clock speed
743 MHz
738 MHz
Floating-point performance
475.5 gflops
470.0 gflops
Manufacturing process technology
80 nm
65 nm
Number of transistors
720 million
754 million
Pipelines / CUDA cores
320
128
Power consumption (TDP)
215 Watt
141 Watt
Texture fill rate
11.89
47.23
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1656 MHz
2000 MHz
Memory bandwidth
106.0 GB/s
64 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.0 (10_0)
11.1 (10_0)
CUDA
-
1.1
OpenCL
N/A
1.1
OpenGL
3.3
3.3
Shader Model
4.0
4.0
Vulkan
N/A
N/A