Radeon HD 8490 OEM and Radeon HD 6450 OEM - video card comparison
Radeon HD 8490 OEM
Radeon HD 6450 OEM
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Caicos
Caicos
Market segment
Desktop
Desktop
Release date
July 2013
February 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
875 MHz
625 MHz
Floating-point performance
280.0 gflops
200 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
370 million
370 million
Pipelines / CUDA cores
160
160
Power consumption (TDP)
35 Watt
18 Watt
Texture fill rate
7.000
5.000
Memory type
DDR3
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1800 MHz
1066 MHz
Memory bandwidth
14.4 GB/s
8.528 GB/s
Display Connectors
1x DVI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
11.2 (11_0)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
N/A
N/A