
Radeon RX 580 XTR and Radeon Pro Vega 20 - video card comparison
Radeon RX 580 XTR
Radeon Pro Vega 20
Architecture
GCN 4.0 (2016−2020)
Vega (2017−2021)
GPU code name
Polaris 20
Vega Mobile
Market segment
Desktop
Mobile workstation
Release date
April 2017
November 2018
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin + 1x 8-pin
Boost clock speed
1340 MHz
1283 MHz
Core clock speed
1257 MHz
815 MHz
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
5,700 million
-
Pipelines / CUDA cores
2304
1280
Power consumption (TDP)
185 Watt
100 Watt
Texture fill rate
193.0
102.6
Memory type
GDDR5
HBM2
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
1024 Bit
Memory clock speed
8000 MHz
1480 MHz
Memory bandwidth
256.0 GB/s
189.4 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12.0 (12_0)
12 (12_1)
OpenCL
-
2.0
OpenGL
4.5
4.6
Shader Model
-
6.3
Vulkan
-
1.2.131