Radeon HD 7970 X2 and Radeon RX 580 2048SP - video card comparison

Radeon HD 7970 X2

Radeon RX 580 2048SP

Architecture

GCN 1.0 (2012−2020)

GCN 4.0 (2016−2020)

GPU code name

New Zealand

Polaris 20

Market segment

Desktop

Release date

August 2012

October 2018

Interface

PCIe 3.0 x16

Supplementary power connectors

3x 8-pin

1x 8-pin

Boost clock speed

1284 MHz

Core clock speed

925 MHz

1168 MHz

Floating-point performance

2x 3,789 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

4,313 million

5,700 million

Pipelines / CUDA cores

2048

Power consumption (TDP)

500 Watt

150 Watt

Texture fill rate

118.4

164.4

Memory type

GDDR5

Maximum RAM amount

3 GB

8 GB

Memory bus width

384 Bit

256 Bit

Memory clock speed

5500 MHz

7000 MHz

Memory bandwidth

264.0 GB/s

224.0 GB/s

Display Connectors

1x DVI, 4x mini-DisplayPort

1x DVI, 1x HDMI, 3x DisplayPort

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