Radeon R9 M390 and Radeon RX 540 - video card comparison

Radeon R9 M390

Radeon RX 540

Architecture

GCN (2011−2017)

Polaris (2016−2019)

GPU code name

Pitcairn

Polaris 12

Market segment

Laptop

Laptop

Release date

June 2015

March 2017

Bus support

PCIe 3.0

-

Interface

-

PCIe 3.0 x16

Supplementary power connectors

-

1x 6-pin

Boost clock speed

-

1219 MHz

Floating-point performance

-

1,248 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

5000 Million

1,500 million

Pipelines / CUDA cores

1024

512

Power consumption (TDP)

-

75 Watt

Texture fill rate

-

39.01

Memory type

GDDR5

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

-

6000 MHz

Memory bandwidth

-

96 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

Eyefinity

1

-

DirectX

DirectX® 12

12.0

Mantle

+

-

OpenCL

Not Listed

1.2

OpenGL

4.4

4.6

Shader Model

-

5.0

AppAcceleration

-

-

DualGraphics

1

-

Enduro

-

-

FreeSync

1

+

HD3D

+

-

PowerTune

+

-

Switchable graphics

1

-

TrueAudio

-

-

ZeroCore

+

-