GeForce 620M and Radeon R7 M270DX - video card comparison
GeForce 620M
Radeon R7 M270DX
Architecture
Fermi 2.0 (2010−2014)
GCN 3.0 (2014−2017)
GPU code name
GF117
Topaz
Market segment
Desktop
Desktop
Release date
March 2012
June 2014
Interface
PCIe 2.0 x16
IGP
Boost clock speed
-
940 MHz
Core clock speed
625 MHz
900 MHz
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
585 million
1,550 million
Pipelines / CUDA cores
96
384
Power consumption (TDP)
15 Watt
-
Texture fill rate
10.00
22.56
Memory type
DDR3
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
1800 MHz
System Shared
Memory bandwidth
14.4 GB/s
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_0)
CUDA
2.1
-
OpenCL
1.1
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.3
Vulkan
N/A
1.2.131