AMD Radeon Pro Vega II vs AMD Radeon R9 M390 Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Jun 2019
May 2015
Generation
Radeon Pro Mac
Crystal System
Type
Desktop
Mobile
Bus Interface
Apple MPX
PCIe 3.0 x16
Clock Speeds
Base Clock
1574 MHz
—
Boost Clock
1720 MHz
—
Memory Clock
806 MHz
1365 MHz
Memory
Memory Size
32GB
2GB
Memory Type
HBM2
GDDR5
Memory Bus
4096bit
256bit
Bandwidth
825.3GB/s
174.7GB/s
Render Config
Compute Units
64
16
Shading Units
4096
1024
TMUs
256
64
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
512 KB
Theoretical Performance
Pixel Rate
110.1 GPixel/s
30.66 GPixel/s
Texture Rate
440.3 GTexel/s
61.31 GTexel/s
FP16 (half)
28.18 TFLOPS
—
FP32 (float)
14.09 TFLOPS
1.962 TFLOPS
FP64 (double)
7.045 TFLOPS
122.6 GFLOPS
Graphics Processor
GPU Name
Vega 20
Pitcairn
GPU Variant
Vega 20 XT
Pitcairn PRO(215-0828062)
Architecture
GCN 5.1
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
13.23 billion
2.8 billion
Die Size
331 mm²
212 mm²
Board Design
TDP
475W
80W
Suggested PSU
850 W
—
Outputs
1x HDMI 2.0b4x Thunderbolt
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.7
5.1
Benchmark
Blender
832
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▲ Specs Compare
Data sourced from official specifications and benchmark tests.