HD Graphics 620 and Steam Deck GPU - video card comparison
HD Graphics 620
Steam Deck GPU
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
RDNA 2.0 (2020−2022)
GPU code name
Kaby-Lake GT2
Van Gogh
Market segment
Laptop
Desktop
Release date
August 2016
February 2022
Interface
PCIe 3.0 x1
-
Supplementary power connectors
-
None
Boost clock speed
1050 MHz
1600 MHz
Core clock speed
300 MHz
-
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
189 million
2,400 million
Pipelines / CUDA cores
24
512
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
25.20
51.20
Memory type
DDR3L/LPDDR3/LPDDR4
LPDDR5
Maximum RAM amount
32 GB
16 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
5.5 GB/s
Memory bandwidth
-
88 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x USB Type-C
DirectX
12 (12_1)
12 (12_1)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
+
1.2
Quick Sync
+
-