AMD Radeon R9 M390 Mac Edition vs AMD Radeon RX 570
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Apr 2017
Generation
Crystal System
Polaris
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1365 MHz
1750 MHz
Base Clock
—
1168 MHz
Boost Clock
—
1244 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
224.0GB/s
Render Config
Compute Units
16
32
Shading Units
1024
2048
TMUs
64
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
30.66 GPixel/s
39.81 GPixel/s
Texture Rate
61.31 GTexel/s
159.2 GTexel/s
FP32 (float)
1.962 TFLOPS
5.095 TFLOPS
FP64 (double)
122.6 GFLOPS
318.5 GFLOPS
FP16 (half)
—
5.095 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Polaris 20
GPU Variant
Pitcairn PRO(215-0828062)
Polaris 20 XL(215-0910052)
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.8 billion
5.7 billion
Die Size
212 mm²
232 mm²
Board Design
TDP
80W
150W
Outputs
No outputs
1x DVI1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2
Shader Model
5.1
6.4
Benchmark
3DMark Time Spy
—
3,851
3DMark Time Spy Extreme
—
1,770
Battlefield 5 1080p
—
69
Shadow of the Tomb Raider 2160p
—
18
Shadow of the Tomb Raider 1440p
—
34
Shadow of the Tomb Raider 1080p
—
52
Battlefield 5 2160p
—
27
Battlefield 5 1440p
—
51
GTA 5 1080p
—
100
▲ Specs Compare
Data sourced from official specifications and benchmark tests.