AMD Radeon RX 560X Mobile vs AMD Radeon R9 M390X

VS

AMD Radeon RX 560X Mobile

AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 560X Mobile and 4GB VRAM Radeon R9 M390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560X Mobile 's Advantages

Released 3 years and 8 months late

Lower TDP (65W vs 75W)

AMD Radeon R9 M390X 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 112.0GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 560X Mobile

2.192 TFLOPS

Radeon R9 M390X +35%

2.961 TFLOPS

Radeon RX 560X Mobile

VS

Radeon R9 M390X

Graphics Card

Jan 2019

Release Date

May 2015

Mobility Radeon

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1750 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

160.0GB/s

Render Config

14

Compute Units

32

-

896

Shading Units

2048

56

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

19.57 GPixel/s

Pixel Rate

23.14 GPixel/s

68.49 GTexel/s

Texture Rate

92.54 GTexel/s

2.192 TFLOPS

FP16 (half)

2.961 TFLOPS

2.192 TFLOPS

FP32 (float)

2.961 TFLOPS

137.0 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

65W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 31

GPU Name

Amethyst

Polaris 31 MXL

GPU Variant

Amethyst XT

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

5 billion

123 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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