Radeon HD 7870 and Radeon Pro 555X - video card comparison

Passmark - benchmark score Radeon HD 7870 vs Radeon Pro 555X

Radeon HD 7870

4779

Radeon Pro 555X

3332

Radeon HD 7870

Radeon Pro 555X

Architecture

GCN (2011−2017)

Polaris (2016−2019)

GPU code name

Pitcairn XT

Polaris 21

Market segment

Desktop

Mobile workstation

Release date

March 2012

June 2017

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

2x 6-pin

None

Core clock speed

1000 MHz

855 MHz

Manufacturing process technology

28 nm

14 nm

Number of transistors

2800 Million

3,000 million

Pipelines / CUDA cores

1280

768

Power consumption (TDP)

175 Watt

Texture fill rate

80.00

43.54

Memory type

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

4800 MHz

5080 MHz

Memory bandwidth

153.6 GB/s

81.6 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