Radeon R7 450 OEM and Radeon HD 8490 OEM - video card comparison
Radeon R7 450 OEM
Radeon HD 8490 OEM
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Cape Verde
Caicos
Market segment
Desktop
Desktop
Release date
June 2016
July 2013
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
925 MHz
875 MHz
Floating-point performance
947.2 gflops
280.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
370 million
Pipelines / CUDA cores
512
160
Power consumption (TDP)
65 Watt
35 Watt
Texture fill rate
29.60
7.000
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4.5 GB/s
1800 MHz
Memory bandwidth
72 GB/s
14.4 GB/s
Display Connectors
1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
1x DVI, 1x DisplayPort
HDMI
+
-
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
2.1 (1.2)
1.2
OpenGL
4.6
4.4
Shader Model
6.5 (5.1)
5.0
Vulkan
1.2.170
N/A