Radeon 540X and Steam Deck OLED GPU - video card comparison
Radeon 540X
Steam Deck OLED GPU
Architecture
GCN 4.0 (2016−2020)
RDNA 2.0 (2020−2022)
GPU code name
Lexa
Sephiroth
Market segment
Laptop
Desktop
Release date
August 2019
2023
Interface
PCIe 3.0 x8
-
Supplementary power connectors
None
-
Boost clock speed
1219 MHz
1600 MHz
Manufacturing process technology
14 nm
6 nm
Number of transistors
2,200 million
2,400 million
Pipelines / CUDA cores
512
512
Power consumption (TDP)
50 Watt
15 Watt
Texture fill rate
33.47
51.20
Memory type
GDDR5
LPDDR5
Maximum RAM amount
2 GB
16 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
6000 MHz
5.5 GB/s
Memory bandwidth
112.0 GB/s
88 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x USB Type-C
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2