Radeon R5 340 OEM and Radeon HD 8490 OEM - video card comparison
Radeon R5 340 OEM
Radeon HD 8490 OEM
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Oland
Caicos
Market segment
Desktop
Desktop
Release date
May 2015
July 2013
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
780 MHz
-
Core clock speed
730 MHz
875 MHz
Floating-point performance
599.0 gflops
280.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
370 million
Pipelines / CUDA cores
384
160
Power consumption (TDP)
65 Watt
35 Watt
Texture fill rate
18.72
7.000
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
4600 MHz
1800 MHz
Memory bandwidth
36.8 GB/s
14.4 GB/s
Display Connectors
1x DVI, 1x DisplayPort
1x DVI, 1x DisplayPort
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.2.131
N/A