GeForce GT 620 OEM and Radeon R7 M520 - video card comparison
GeForce GT 620 OEM
Radeon R7 M520
Architecture
Fermi 2.0 (2010−2014)
GCN 1.0 (2012−2020)
GPU code name
GF119
Oland
Market segment
Desktop
Desktop
Release date
April 2012
April 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Core clock speed
810 MHz
1030 MHz
Floating-point performance
155.5 gflops
659.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
292 million
1,040 million
Pipelines / CUDA cores
48
320
Power consumption (TDP)
30 Watt
50 Watt
Texture fill rate
6.480
20.60
Memory type
DDR3
DDR3
Maximum RAM amount
512 MB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1796 MHz
2000 MHz
Memory bandwidth
14.37 GB/s
16 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
12 (11_0)
12.0
CUDA
2.1
-
OpenCL
1.1
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.0
Vulkan
N/A
-