Radeon RX 550 and Polaris 20 - video card comparison
Radeon RX 550
Polaris 20
Architecture
GCN 4.0 (2016−2020)
GCN 4.0 (2016−2020)
GPU code name
Lexa
Polaris 20
Market segment
Desktop
Desktop
Release date
April 2017
-
Interface
PCIe 3.0 x8
-
Supplementary power connectors
None
-
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
-
Floating-point performance
1,211 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
2,200 million
5,700 million
Pipelines / CUDA cores
512
2304
Power consumption (TDP)
50 Watt
-
Texture fill rate
37.86
-
Memory type
GDDR5
-
Maximum RAM amount
4 GB
-
Memory bus width
128 Bit
-
Memory clock speed
7000 MHz
-
Memory bandwidth
112.0 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
-
HDMI
+
-
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.7
Vulkan
1.2.131
1.3