Radeon R5 M420 and GeForce GT 420M - video card comparison
Passmark - benchmark score Radeon R5 M420 vs GeForce GT 420M
Radeon R5 M420
501
GeForce GT 420M
417
Radeon R5 M420
GeForce GT 420M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Jet
N11P-GE
Market segment
Laptop
Laptop
Release date
June 2016
September 2010
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Boost clock speed
850 MHz
-
Core clock speed
780 MHz
500 MHz
CUDA cores
-
96
Floating-point performance
547.2 gflops
192 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
690 million
585 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
-
23 Watt
Texture fill rate
17.00
6.0 billion/sec
Memory type
DDR3
(G)DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
800 MHz
Memory bandwidth
16 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
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