Radeon HD 7870 and Radeon RX Vega 56 Mobile - video card comparison

Radeon HD 7870

Radeon RX Vega 56 Mobile

Architecture

GCN (2011−2017)

GCN 5.0 (2017−2020)

GPU code name

Pitcairn XT

Vega 10

Market segment

Desktop

Laptop

Release date

March 2012

June 2018

Interface

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

Boost clock speed

1301 MHz

Core clock speed

1000 MHz

1138 MHz

Manufacturing process technology

28 nm

14 nm

Number of transistors

2800 Million

12,500 million

Pipelines / CUDA cores

1280

3584

Power consumption (TDP)

175 Watt

120 Watt

Texture fill rate

80.00

291.4

Memory type

GDDR5

HBM2

Maximum RAM amount

2 GB

8 GB

Memory bus width

256 Bit

2048 Bit

Memory clock speed

4800 MHz

1600 MHz

Memory bandwidth

153.6 GB/s

409.6 GB/s

Shared memory

Display Connectors

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

1x HDMI, 3x DisplayPort

Eyefinity

HDMI

DirectX

12 (11_1)

12 (12_1)

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.4

Vulkan

1.2.131

1.1.125