Radeon RX 580 and Radeon HD 4720 - video card comparison

Radeon RX 580

Radeon HD 4720

Architecture

Polaris (2016−2019)

TeraScale (2005−2013)

GPU code name

Polaris 20

RV730

Market segment

Desktop

Desktop

Release date

April 2017

December 2011

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 8-pin

-

Boost clock speed

1340 MHz

-

Core clock speed

1257 MHz

600 MHz

Floating-point performance

6,175 gflops

384.0 gflops

Manufacturing process technology

14 nm

55 nm

Number of transistors

5,700 million

514 million

Pipelines / CUDA cores

2304

320

Power consumption (TDP)

185 Watt

55 Watt

Texture fill rate

193.0

19.20

Memory type

GDDR5

GDDR3

Maximum RAM amount

8 GB

1 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

8000 MHz

1334 MHz

Memory bandwidth

256.0 GB/s

21.34 GB/s

Display Connectors

1x HDMI, 3x DisplayPort

2x DVI, 1x S-Video

HDMI

+

-

DirectX

12 (12_0)

10.1 (10_1)

OpenCL

2.0

1.1

OpenGL

4.6

3.3

Shader Model

6.4

4.1

Vulkan

1.2.131

N/A