Radeon HD 4580 and Radeon HD 2600 PRO AGP - video card comparison
Radeon HD 4580
Radeon HD 2600 PRO AGP
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV635
RV630
Market segment
Desktop
Desktop
Release date
November 2011
June 2007
Interface
PCIe 2.0 x16
AGP 8x
Supplementary power connectors
None
None
Core clock speed
796 MHz
594 MHz
Floating-point performance
191.04 gflops
142.56 gflops
Manufacturing process technology
55 nm
65 nm
Number of transistors
378 million
390 million
Pipelines / CUDA cores
120
120
Power consumption (TDP)
65 Watt
35 Watt
Texture fill rate
6.368
4.752
Memory type
GDDR3
DDR2
Maximum RAM amount
512 MB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1386 MHz
792 MHz
Memory bandwidth
22.18 GB/s
12.67 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