Radeon Pro 580X and Radeon R9 M390 Mac Edition - video card comparison
Radeon Pro 580X
Radeon R9 M390 Mac Edition
Architecture
GCN 4.0 (2016−2020)
GCN 1.0 (2012−2020)
GPU code name
Polaris 20
Pitcairn
Market segment
Mobile workstation
Desktop
Release date
March 2019
May 2015
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
1200 MHz
-
Core clock speed
1100 MHz
958 MHz
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
2,800 million
Pipelines / CUDA cores
2304
1024
Power consumption (TDP)
150 Watt
80 Watt
Texture fill rate
172.8
61.31
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
6780 MHz
5.5 GB/s
Memory bandwidth
217.0 GB/s
174.7 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.2