Radeon 620 and Steam Deck OLED GPU - video card comparison
Radeon 620
Steam Deck OLED GPU
Architecture
GCN 1.0 (2012−2020)
RDNA 2.0 (2020−2022)
GPU code name
Polaris 24
Sephiroth
Market segment
Laptop
Desktop
Release date
August 2019
2023
Interface
PCIe 3.0 x8
-
Supplementary power connectors
None
-
Boost clock speed
1024 MHz
1600 MHz
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,550 million
2,400 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
50 Watt
15 Watt
Texture fill rate
24.58
51.20
Memory type
DDR3, GDDR5
LPDDR5
Maximum RAM amount
4 GB
16 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2250 MHz
5.5 GB/s
Memory bandwidth
14.4 GB/s
88 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x USB Type-C
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.5
Vulkan
1.2.131
1.2