Radeon R5 M420 and Radeon HD 8550M - video card comparison
Radeon R5 M420
Radeon HD 8550M
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Jet
Sun
Market segment
Laptop
Laptop
Release date
June 2016
November 2012
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Boost clock speed
850 MHz
850 MHz
Core clock speed
780 MHz
700 MHz
Floating-point performance
547.2 gflops
544.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
690 million
690 million
Pipelines / CUDA cores
320
384
Texture fill rate
17.00
17.00
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2000 MHz
1800 MHz
Memory bandwidth
16 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.2.131