Radeon RX 580 and Radeon RX 6850 XT - video card comparison

Radeon RX 580

Radeon RX 6850 XT

Architecture

Polaris (2016−2019)

RDNA 2.0 (2020−2022)

GPU code name

Polaris 20

Navi 21

Market segment

Desktop

Release date

April 2017

2022

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 8-pin

2x 8-pin

Boost clock speed

1340 MHz

2250 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

26,800 million

Pipelines / CUDA cores

2304

4608

Power consumption (TDP)

185 Watt

325 Watt

Texture fill rate

193.0

648.0

Memory type

GDDR5

GDDR6

Maximum RAM amount

8 GB

16 GB

Memory bus width

256 Bit

Memory clock speed

8000 MHz

18 GB/s

Memory bandwidth

256.0 GB/s

576.0 GB/s

Display Connectors

1x HDMI, 3x DisplayPort

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

HDMI

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenCL

2.0

2.1

OpenGL

4.6

Shader Model

6.4

6.5

Vulkan

1.2.131

1.3