Radeon HD 2900 PRO and GeForce GT 140 OEM - video card comparison
Radeon HD 2900 PRO
GeForce GT 140 OEM
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
R600
G94B
Market segment
Desktop
Desktop
Release date
December 2007
March 2009
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin
Core clock speed
600 MHz
650 MHz
Floating-point performance
384.0 gflops
208 gflops
Manufacturing process technology
80 nm
55 nm
Number of transistors
720 million
505 million
Pipelines / CUDA cores
320
64
Power consumption (TDP)
200 Watt
105 Watt
Texture fill rate
9.600
20.80
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1600 MHz
1800 MHz
Memory bandwidth
51.2 GB/s
57.6 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