Radeon HD 4870 and Radeon RX 580 OEM - video card comparison

Radeon HD 4870

Radeon RX 580 OEM

Architecture

TeraScale (2005−2013)

GCN 4.0 (2016−2020)

GPU code name

RV770

Ellesmere

Market segment

Desktop

Release date

June 2008

June 2016

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

1x 6-pin

Boost clock speed

1266 MHz

Core clock speed

750 MHz

1120 MHz

Floating-point performance

1,200.0 gflops

5,834 gflops

Manufacturing process technology

55 nm

14 nm

Number of transistors

956 million

5,700 million

Pipelines / CUDA cores

800

2304

Power consumption (TDP)

150 Watt

Texture fill rate

30.00

182.3

Memory type

GDDR5

Maximum RAM amount

1 GB

8 GB

Memory bus width

256 Bit

Memory clock speed

3600 MHz

8000 MHz

Memory bandwidth

115.2 GB/s

256.0 GB/s

Display Connectors

2x DVI, 1x S-Video

1x HDMI, 3x DisplayPort

HDMI

DirectX

10.1 (10_1)

12 (12_0)

OpenCL

1.1

2.0

OpenGL

3.3

4.6

Shader Model

4.1

6.4

Vulkan

N/A

1.2.131