Radeon R9 M390 and Radeon Pro 580 - video card comparison

Radeon R9 M390

Radeon Pro 580

Architecture

GCN (2011−2017)

GCN 4.0 (2016−2020)

GPU code name

Pitcairn

Polaris 20

Market segment

Laptop

Mobile workstation

Release date

June 2015

June 2017

Bus support

PCIe 3.0

-

Interface

-

PCIe 3.0 x16

Supplementary power connectors

-

None

Boost clock speed

-

1200 MHz

Core clock speed

-

1100 MHz

Floating-point performance

-

6,175 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

5000 Million

5,700 million

Pipelines / CUDA cores

1024

2304

Power consumption (TDP)

-

150 Watt

Texture fill rate

-

172.8

Memory type

GDDR5

GDDR5

Maximum RAM amount

2 GB

8 GB

Memory bus width

256 Bit

256 Bit

Memory clock speed

-

6780 MHz

Memory bandwidth

-

217.0 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

Eyefinity

1

-

DirectX

DirectX® 12

12 (12_0)

Mantle

+

-

OpenCL

Not Listed

2.0

OpenGL

4.4

4.6

Shader Model

-

6.4

Vulkan

-

1.2.131

AppAcceleration

-

-

DualGraphics

1

-

Enduro

-

-

FreeSync

1

-

HD3D

+

-

PowerTune

+

-

Switchable graphics

1

-

TrueAudio

-

-

ZeroCore

+

-