Radeon RX 580 and Radeon RX 6550S - video card comparison

Radeon RX 580

Radeon RX 6550S

Architecture

Polaris (2016−2019)

RDNA 2 (2020−2022)

GPU code name

Polaris 20

Navi 24

Market segment

Desktop

Laptop

Release date

April 2017

January 2023

Interface

PCIe 3.0 x16

PCIe 4.0 x4

Supplementary power connectors

1x 8-pin

None

Boost clock speed

1340 MHz

2170 MHz

Core clock speed

1257 MHz

-

Floating-point performance

6,175 gflops

-

Manufacturing process technology

14 nm

6 nm

Number of transistors

5,700 million

5,400 million

Pipelines / CUDA cores

2304

1024

Power consumption (TDP)

185 Watt

50 Watt (35 - 50 Watt TGP)

Texture fill rate

193.0

153.6

Memory type

GDDR5

GDDR6

Maximum RAM amount

8 GB

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

8000 MHz

16000 MHz

Memory bandwidth

256.0 GB/s

128.0 GB/s

Shared memory

-

-

Display Connectors

1x HDMI, 3x DisplayPort

Portable Device Dependent

HDMI

+

-

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenCL

2.0

2.2

OpenGL

4.6

4.6

Shader Model

6.4

6.7

Vulkan

1.2.131

1.3