Radeon HD 2600 PRO and GeForce 6800 GT Dual - video card comparison
Radeon HD 2600 PRO
GeForce 6800 GT Dual
Architecture
TeraScale (2005−2013)
Curie (2003−2013)
GPU code name
RV630
NV45
Market segment
Desktop
Desktop
Release date
June 2007
June 2004
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
600 MHz
350 MHz
Floating-point performance
144 gflops
-
Manufacturing process technology
65 nm
130 nm
Number of transistors
390 million
222 million
Pipelines / CUDA cores
120
-
Power consumption (TDP)
35 Watt
-
Texture fill rate
4.800
5.600
Memory type
DDR2
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1000 MHz
1000 MHz
Memory bandwidth
16 GB/s
32 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
2.1
Shader Model
4.0
3.0
Vulkan
N/A
N/A