Radeon R9 M390 and Radeon HD 8570M - video card comparison

Radeon R9 M390

Radeon HD 8570M

Architecture

GCN (2011−2017)

GCN (2011−2017)

GPU code name

Pitcairn

Sun

Market segment

Laptop

Laptop

Release date

June 2015

November 2012

Bus support

PCIe 3.0

-

Interface

-

PCIe 3.0 x8

Boost clock speed

-

825 MHz

Core clock speed

-

650 MHz

Floating-point performance

-

528.0 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

5000 Million

690 million

Pipelines / CUDA cores

1024

384

Texture fill rate

-

16.50

Memory type

GDDR5

DDR3

Maximum RAM amount

2 GB

1 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

-

1800 - 2000 MHz

Memory bandwidth

-

16 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

Eyefinity

1

-

DirectX

DirectX® 12

12 (11_1)

Mantle

+

-

OpenCL

Not Listed

1.2

OpenGL

4.4

4.6

Shader Model

-

5.1

Vulkan

-

1.2.131

AppAcceleration

-

-

DualGraphics

1

-

Enduro

-

-

FreeSync

1

-

HD3D

+

-

PowerTune

+

-

Switchable graphics

1

-

TrueAudio

-

-

ZeroCore

+

-