Radeon R9 290X2 and Radeon RX 580X - video card comparison

Radeon R9 290X2

Radeon RX 580X

Architecture

GCN 2.0 (2013−2017)

GCN 4.0 (2016−2020)

GPU code name

Hawaii

Polaris 20

Market segment

Desktop

Release date

June 2014

April 2018

Interface

PCIe 3.0 x16

Supplementary power connectors

4x 8-pin

1x 8-pin

Boost clock speed

1340 MHz

Core clock speed

1000 MHz

1257 MHz

Floating-point performance

2x 5,632 gflops

6,175 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

6,200 million

5,700 million

Pipelines / CUDA cores

2816

2304

Power consumption (TDP)

580 Watt

185 Watt

Texture fill rate

176.0

193.0

Memory type

GDDR5

Maximum RAM amount

4 GB

8 GB

Memory bus width

512 Bit

256 Bit

Memory clock speed

5400 MHz

8000 MHz

Memory bandwidth

345.6 GB/s

256.0 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (12_0)

OpenCL

2.0

OpenGL

4.6

Shader Model

6.3

6.4

Vulkan

1.2.131