
Radeon HD 3850 AGP and Radeon HD 2600 XT AGP - video card comparison
Radeon HD 3850 AGP
Radeon HD 2600 XT AGP
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV670
RV630
Market segment
Desktop
Desktop
Release date
January 2008
June 2007
Interface
AGP 8x
AGP 8x
Supplementary power connectors
1x 8-pin
1x 6-pin
Core clock speed
668 MHz
800 MHz
Floating-point performance
427.5 gflops
173.28 gflops
Manufacturing process technology
55 nm
65 nm
Number of transistors
666 million
390 million
Pipelines / CUDA cores
320
120
Power consumption (TDP)
75 Watt
45 Watt
Texture fill rate
10.69
6.400
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1656 MHz
1600 MHz
Memory bandwidth
52.99 GB/s
25.6 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
10.1 (10_1)
10.0 (10_0)
OpenCL
N/A
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A