Radeon R5 340 OEM and GeForce 620M - video card comparison
Radeon R5 340 OEM
GeForce 620M
Architecture
GCN 1.0 (2012−2020)
Fermi 2.0 (2010−2014)
GPU code name
Oland
GF117
Market segment
Desktop
Desktop
Release date
May 2015
March 2012
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
780 MHz
-
Core clock speed
730 MHz
625 MHz
Floating-point performance
599.0 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
65 Watt
15 Watt
Texture fill rate
18.72
10.00
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
No outputs
DirectX
12 (11_1)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A