Radeon R5 M420 and GeForce GT 620M - video card comparison
Passmark - benchmark score Radeon R5 M420 vs GeForce GT 620M
Radeon R5 M420
501
GeForce GT 620M
447
Radeon R5 M420
GeForce GT 620M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Jet
N13P-GLP / N13M-GS
Market segment
Laptop
Laptop
Release date
June 2016
March 2012
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Boost clock speed
850 MHz
715 MHz
Core clock speed
780 MHz
Up to 625 MHz
CUDA cores
-
96
Floating-point performance
547.2 gflops
253.4 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
690 million
585 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
-
15 Watt
Texture fill rate
17.00
Up to 10.0 billion/sec
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
Up to 128bit
Memory clock speed
2000 MHz
1800 MHz
Memory bandwidth
16 GB/s
Up to 28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (11_1)
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A
3D Blu-Ray
-
+
Optimus
-
+