Radeon HD 6870 and Radeon RX 560X Mobile - video card comparison

Radeon HD 6870

Radeon RX 560X Mobile

Architecture

Terascale 2 (2009−2015)

Polaris (2016−2019)

GPU code name

RV940 Barts

Polaris 11

Market segment

Desktop

Laptop

Release date

October 2010

January 2017

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

MXM-B (3.0)

Supplementary power connectors

2x 6-pin

-

Boost clock speed

900 MHz

1275 MHz

Core clock speed

-

1172 MHz

Floating-point performance

2,016.0 gflops

2,611 gflops

Manufacturing process technology

40 nm

14 nm

Number of transistors

1,700 million

3,000 million

Pipelines / CUDA cores

1120

1024

Power consumption (TDP)

151 Watt

60-80 Watt

Texture fill rate

50.40

81.60

Memory type

GDDR5

GDDR5

Maximum RAM amount

1 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

1050 MHz

6000 MHz

Memory bandwidth

134.4 GB/s

92.8 GB/s

Shared memory

-

-

Display Connectors

2x DVI, 1x HDMI, 2x mini-DisplayPort

No outputs

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

12 (12_0)

Mantle

-

-

OpenCL

1.2

2.0

OpenGL

4.4

4.6

Shader Model

5.0

6.4

Vulkan

-

1.2.131

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

FreeSync

-

+

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-