AMD Radeon Pro 570 vs AMD Radeon R9 M390 Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Jun 2017
May 2015
Generation
Radeon Pro Mac
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
1105 MHz
—
Memory Clock
1695 MHz
1365 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
217.0GB/s
174.7GB/s
Render Config
Compute Units
28
16
Shading Units
1792
1024
TMUs
112
64
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
35.36 GPixel/s
30.66 GPixel/s
Texture Rate
123.8 GTexel/s
61.31 GTexel/s
FP16 (half)
3.960 TFLOPS
—
FP32 (float)
3.960 TFLOPS
1.962 TFLOPS
FP64 (double)
247.5 GFLOPS
122.6 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Pitcairn
GPU Variant
Polaris 20
Pitcairn PRO(215-0828062)
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
2.8 billion
Die Size
232 mm²
212 mm²
Board Design
TDP
150W
80W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2
1.2
Shader Model
6.4
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.