Radeon HD 7870 and Radeon RX 560X Mobile - video card comparison

Radeon HD 7870

Radeon RX 560X Mobile

Architecture

GCN (2011−2017)

Polaris (2016−2019)

GPU code name

Pitcairn XT

Polaris 11

Market segment

Desktop

Laptop

Release date

March 2012

January 2017

Interface

PCIe 3.0 x16

MXM-B (3.0)

Supplementary power connectors

2x 6-pin

Boost clock speed

1275 MHz

Core clock speed

1000 MHz

1172 MHz

Floating-point performance

2,611 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

2800 Million

3,000 million

Pipelines / CUDA cores

1280

1024

Power consumption (TDP)

175 Watt

60-80 Watt

Texture fill rate

80.00

81.60

Memory type

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

4800 MHz

6000 MHz

Memory bandwidth

153.6 GB/s

92.8 GB/s

Shared memory

Display Connectors

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

No outputs

Eyefinity

HDMI

DirectX

12 (11_1)

12 (12_0)

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.4

Vulkan

1.2.131

FreeSync