Radeon RX 580 Mobile and Radeon RX 6800 XT - video card comparison

Radeon RX 580 Mobile

Radeon RX 6800 XT

Architecture

Polaris (2016−2019)

Navi / RDNA2 (2020−2022)

GPU code name

Polaris

Navi 21

Market segment

Laptop

Desktop

Release date

April 2017

November 2020

Interface

MXM-B (3.0)

PCIe 4.0 x16

Supplementary power connectors

2x 8-pin

Boost clock speed

1077 MHz

2250 MHz

Core clock speed

1000 MHz

1825 MHz

Floating-point performance

4,963 gflops

Manufacturing process technology

14 nm

7 nm

Number of transistors

5,700 million

26,800 million

Pipelines / CUDA cores

2304

4608

Power consumption (TDP)

100 Watt

300 Watt

Texture fill rate

155.1

648.0

Memory type

GDDR5

GDDR6

Maximum RAM amount

8 GB

16 GB

Memory bus width

256 Bit

Memory clock speed

8000 MHz

16000 MHz

Memory bandwidth

256.0 GB/s

512.0 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI, 2x DisplayPort, 1x USB Type-C

HDMI

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenCL

2.0

OpenGL

4.6

Shader Model

6.4

6.5

Vulkan

1.2.131

1.2