Radeon RX 550 and Radeon RX 5950 XT - video card comparison
Radeon RX 550
Radeon RX 5950 XT
Architecture
GCN 4.0 (2016−2020)
RDNA 2.0 (2020−2022)
GPU code name
Lexa
Navi 21
Market segment
Desktop
Desktop
Release date
April 2017
-
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
1183 MHz
1635 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
21,000 million
Pipelines / CUDA cores
512
5120
Power consumption (TDP)
50 Watt
350 Watt
Texture fill rate
37.86
523.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
7000 MHz
14000 MHz
Memory bandwidth
112.0 GB/s
672.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12.0 (12_1)
OpenCL
2.0
-
OpenGL
4.6
4.6
Shader Model
6.4
-
Vulkan
1.2.131
-