Radeon RX 580 and Radeon Graphics 448SP Mobile - video card comparison

Radeon RX 580

Radeon Graphics 448SP Mobile

Architecture

Polaris (2016−2019)

GCN 5.1 (2018−2021)

GPU code name

Polaris 20

Barcelo

Market segment

Desktop

Laptop

Release date

April 2017

January 2022

Interface

PCIe 3.0 x16

IGP

Supplementary power connectors

1x 8-pin

Boost clock speed

1340 MHz

1800 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

10,700 million

Pipelines / CUDA cores

2304

448

Power consumption (TDP)

185 Watt

45 Watt

Texture fill rate

193.0

50.40

Memory type

GDDR5

System Shared

Maximum RAM amount

8 GB

System Shared

Memory bus width

256 Bit

System Shared

Memory clock speed

8000 MHz

System Shared

Memory bandwidth

256.0 GB/s

Display Connectors

1x HDMI, 3x DisplayPort

Portable Device Dependent

HDMI

DirectX

12 (12_0)

12 (12_1)

OpenCL

2.0

2.1

OpenGL

4.6

Shader Model

6.4

6.7 (6.4)

Vulkan

1.2.131

1.3