
Radeon 520 and GeForce GT 620 - video card comparison
Passmark - benchmark score Radeon 520 vs GeForce GT 620
Radeon 520
811
GeForce GT 620
388
Radeon 520
GeForce GT 620
Architecture
GCN 1.0 (2012−2020)
Fermi (2010−2014)
GPU code name
Oland
GF108
Market segment
Laptop
Desktop
Release date
March 2017
May 2012
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
1030 MHz
700 MHz
CUDA cores
-
96
Floating-point performance
659.2 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,040 million
585 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
50 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
20.60
11.2 billion/sec
Memory type
DDR3, GDDR5
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2250 MHz
1.8 GB/s
Memory bandwidth
16 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12.0
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.2
Shader Model
5.0
5.1
Vulkan
+
N/A
3D Blu-Ray
-
+