AMD Radeon R9 M390 Mac Edition vs AMD Radeon Pro 560X

VS

AMD Radeon R9 M390 Mac Edition AMD Radeon Pro 560X

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 4GB VRAM Radeon Pro 560X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 94.08GB/s)

AMD Radeon Pro 560X 's Advantages

Released 3 years and 2 months late

More VRAM (4GB vs 2GB)

Lower TDP (75W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition

1.962 TFLOPS

Radeon Pro 560X +4%

2.056 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon Pro 560X

Graphics Card

May 2015

Release Date

Jul 2018

Crystal System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1365 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

94.08GB/s

Render Config

-

SM Count

-

16

Compute Units

16

1024

Shading Units

1024

64

TMUs

64

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

30.66 GPixel/s

Pixel Rate

16.06 GPixel/s

61.31 GTexel/s

Texture Rate

64.26 GTexel/s

-

FP16 (half)

2.056 TFLOPS

1.962 TFLOPS

FP32 (float)

2.056 TFLOPS

122.6 GFLOPS

FP64 (double)

128.5 GFLOPS

Graphics Processor

Pitcairn

GPU Name

Polaris 21

Pitcairn PRO (215-0828062)

GPU Variant

Polaris 21 XT (215-0908004)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

3 billion

212 mm²

Die Size

123 mm²

Board Design

80W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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