Radeon RX 550X and Steam Deck GPU - video card comparison
Radeon RX 550X
Steam Deck GPU
Architecture
GCN 4.0 (2016−2020)
RDNA 2.0 (2020−2022)
GPU code name
Lexa
Van Gogh
Market segment
Desktop
Desktop
Release date
December 2018
February 2022
Interface
PCIe 3.0 x8
-
Supplementary power connectors
None
None
Boost clock speed
1183 MHz
1600 MHz
Core clock speed
1100 MHz
-
Floating-point performance
1,211 gflops
-
Manufacturing process technology
14 nm
7 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
37.86
51.20
Memory type
GDDR5
LPDDR5
Maximum RAM amount
4 GB
16 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
5.5 GB/s
Memory bandwidth
96 GB/s
88 GB/s
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