Radeon 620 and Radeon Graphics 128SP - video card comparison
Radeon 620
Radeon Graphics 128SP
Architecture
GCN 1.0 (2012−2020)
RDNA 2.0 (2020−2022)
GPU code name
Polaris 24
Raphael
Market segment
Laptop
Desktop
Release date
August 2019
September 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1024 MHz
2200 MHz
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,550 million
3,400 million
Pipelines / CUDA cores
384
128
Power consumption (TDP)
50 Watt
15 Watt
Texture fill rate
24.58
17.60
Memory type
DDR3, GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
2250 MHz
System Shared
Memory bandwidth
14.4 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
Motherboard Dependent
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.7
Vulkan
1.2.131
1.3