Radeon HD 8490 OEM and Radeon HD 2600 XT - video card comparison
Radeon HD 8490 OEM
Radeon HD 2600 XT
Architecture
TeraScale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Caicos
RV630
Market segment
Desktop
Desktop
Release date
July 2013
June 2007
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
None
Core clock speed
875 MHz
800 MHz
Floating-point performance
280.0 gflops
192 gflops
Manufacturing process technology
40 nm
65 nm
Number of transistors
370 million
390 million
Pipelines / CUDA cores
160
120
Power consumption (TDP)
35 Watt
45 Watt
Texture fill rate
7.000
6.400
Memory type
DDR3
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
1400 MHz
Memory bandwidth
14.4 GB/s
22.4 GB/s
Display Connectors
1x DVI, 1x DisplayPort
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
10.0 (10_0)
OpenCL
1.2
N/A
OpenGL
4.4
3.3
Shader Model
5.0
4.0
Vulkan
N/A
N/A