Radeon RX 550 512SP and Radeon RX 6400 - video card comparison
Radeon RX 550 512SP
Radeon RX 6400
Architecture
GCN 4.0 (2016−2020)
RDNA 2.0 (2020−2022)
GPU code name
Baffin
Navi 24
Market segment
Desktop
Desktop
Release date
October 2017
January 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
1071 MHz
2321 MHz
Manufacturing process technology
14 nm
6 nm
Number of transistors
3,000 million
5,400 million
Pipelines / CUDA cores
512
768
Power consumption (TDP)
50 Watt
53 Watt
Texture fill rate
34.27
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6 GB/s
16 GB/s
Memory bandwidth
96 GB/s
128.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI
+
+
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
2.2
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
1.2
1.3