Radeon RX 590 and Radeon Graphics 448SP - video card comparison

Radeon RX 590

Radeon Graphics 448SP

Architecture

Polaris (2016−2019)

GCN 5.1 (2018−2021)

GPU code name

Polaris 30

Renoir

Market segment

Desktop

Release date

November 2018

January 2020

Interface

PCIe 3.0 x16

IGP

Supplementary power connectors

1x 8-pin

None

Boost clock speed

1545 MHz

1900 MHz

Core clock speed

1469 MHz

Manufacturing process technology

12 nm

7 nm

Number of transistors

5,700 million

9,800 million

Pipelines / CUDA cores

2304

448

Power consumption (TDP)

175 Watt

15 Watt

Texture fill rate

222.5

53.20

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

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

Motherboard 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

FreeSync