
Quadro K620 and Radeon 520 OEM - video card comparison
Quadro K620
Radeon 520 OEM
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM107
Banks
Market segment
Workstation
Desktop
Release date
July 2014
April 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
-
Core clock speed
1058 MHz
1030 MHz
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
690 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
41 Watt
50 Watt
Texture fill rate
26.98
20.60
Memory type
128 Bit
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
4.5 GB/s
Memory bandwidth
Up to 29 GB/s
36 GB/s
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
12 (11_1)
CUDA
5.0
-
OpenCL
1.2
2.1 (1.2)
OpenGL
4.5
4.6
Shader Model
5
6.5 (5.1)
Vulkan
+
1.2.170
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-