Radeon HD 7970 X2 and Radeon RX 590 - video card comparison

Radeon HD 7970 X2

Radeon RX 590

Architecture

GCN 1.0 (2012−2020)

Polaris (2016−2019)

GPU code name

New Zealand

Polaris 30

Market segment

Desktop

Desktop

Release date

August 2012

November 2018

Interface

PCIe 3.0 x16

PCIe 3.0 x16

Supplementary power connectors

3x 8-pin

1x 8-pin

Boost clock speed

-

1545 MHz

Core clock speed

925 MHz

1469 MHz

Floating-point performance

2x 3,789 gflops

-

Manufacturing process technology

28 nm

12 nm

Number of transistors

4,313 million

5,700 million

Pipelines / CUDA cores

2048

2304

Power consumption (TDP)

500 Watt

175 Watt

Texture fill rate

118.4

222.5

Memory type

GDDR5

GDDR5

Maximum RAM amount

3 GB

8 GB

Memory bus width

384 Bit

256 Bit

Memory clock speed

5500 MHz

8000 MHz

Memory bandwidth

264.0 GB/s

256.0 GB/s

Shared memory

-

-

Display Connectors

1x DVI, 4x mini-DisplayPort

1x HDMI, 3x DisplayPort

HDMI

-

+

DirectX

12 (11_1)

12 (12_0)

OpenCL

1.2

2.0

OpenGL

4.6

4.6

Shader Model

5.1

6.4

Vulkan

1.2.131

1.2.131

FreeSync

-

+