Radeon RX 580 and Vega 20 - video card comparison

Radeon RX 580

Vega 20

Architecture

Polaris (2016−2019)

GCN 5.1 (2018−2021)

GPU code name

Polaris 20

Vega 20

Market segment

Desktop

Desktop

Release date

April 2017

-

Interface

PCIe 3.0 x16

-

Supplementary power connectors

1x 8-pin

-

Boost clock speed

1340 MHz

-

Core clock speed

1257 MHz

-

Floating-point performance

6,175 gflops

-

Manufacturing process technology

14 nm

7 nm

Number of transistors

5,700 million

13,230 million

Pipelines / CUDA cores

2304

4096

Power consumption (TDP)

185 Watt

-

Texture fill rate

193.0

-

Memory type

GDDR5

-

Maximum RAM amount

8 GB

-

Memory bus width

256 Bit

-

Memory clock speed

8000 MHz

-

Memory bandwidth

256.0 GB/s

-

Display Connectors

1x HDMI, 3x DisplayPort

-

HDMI

+

-

DirectX

12 (12_0)

12 (12_1)

OpenCL

2.0

2.1

OpenGL

4.6

4.6

Shader Model

6.4

6.7

Vulkan

1.2.131

1.3