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

Radeon HD 7870

Radeon RX Vega Mobile

Architecture

GCN (2011−2017)

Vega (2017−2021)

GPU code name

Pitcairn XT

Vega Mobile

Market segment

Desktop

Laptop

Release date

March 2012

January 2018

Interface

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

Core clock speed

1000 MHz

Manufacturing process technology

28 nm

14 nm

Number of transistors

2800 Million

Pipelines / CUDA cores

1280

1792

Power consumption (TDP)

175 Watt

90 Watt

Texture fill rate

80.00

Memory type

GDDR5

HBM2

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

2048 Bit

Memory clock speed

4800 MHz

Memory bandwidth

153.6 GB/s

Shared memory

Display Connectors

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

Eyefinity

HDMI

DirectX

12 (11_1)

12_1

OpenCL

1.2

OpenGL

4.6

Shader Model

5.1

Vulkan

1.2.131