Radeon RX 6400 and Steam Deck OLED GPU - video card comparison
Radeon RX 6400
Steam Deck OLED GPU
Architecture
RDNA 2.0 (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
Navi 24
Sephiroth
Market segment
Desktop
Desktop
Release date
January 2022
2023
Interface
PCIe 4.0 x4
-
Supplementary power connectors
None
-
Boost clock speed
2321 MHz
1600 MHz
Manufacturing process technology
6 nm
6 nm
Number of transistors
5,400 million
2,400 million
Pipelines / CUDA cores
768
512
Power consumption (TDP)
53 Watt
15 Watt
Texture fill rate
111.4
51.20
Memory type
GDDR6
LPDDR5
Maximum RAM amount
4 GB
16 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
16 GB/s
5.5 GB/s
Memory bandwidth
128.0 GB/s
88 GB/s
Display Connectors
1x HDMI 2.1, 1x DisplayPort 1.4a
1x USB Type-C
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenCL
2.2
2.0
OpenGL
4.6
4.6
Shader Model
6.6
6.5
Vulkan
1.3
1.2