
Radeon Pro Vega 20 and Radeon 550X - video card comparison
Passmark - benchmark score Radeon Pro Vega 20 vs Radeon 550X
Radeon Pro Vega 20
5458
Radeon 550X
1472
Radeon Pro Vega 20
Radeon 550X
Architecture
Vega (2017−2021)
GCN 4.0 (2016−2020)
GPU code name
Vega Mobile
Lexa
Market segment
Mobile workstation
Desktop
Release date
November 2018
March 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
1283 MHz
1218 MHz
Core clock speed
815 MHz
1082 MHz
Manufacturing process technology
14 nm
14 nm
Number of transistors
-
2,200 million
Pipelines / CUDA cores
1280
512
Power consumption (TDP)
100 Watt
50 Watt
Texture fill rate
102.6
38.98
Memory type
HBM2
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
1024 Bit
128 Bit
Memory clock speed
1480 MHz
7000 MHz
Memory bandwidth
189.4 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (12_1)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.4
Vulkan
1.2.131
1.2.131