Radeon RX 580 and GeForce GTX 745 OEM - video card comparison

Radeon RX 580

GeForce GTX 745 OEM

Architecture

Polaris (2016−2019)

Maxwell (2014−2018)

GPU code name

Polaris 20

GM107

Market segment

Desktop

Release date

April 2017

February 2014

Interface

PCIe 3.0 x16

Supplementary power connectors

1x 8-pin

None

Boost clock speed

1340 MHz

Core clock speed

1257 MHz

1033 MHz

Floating-point performance

6,175 gflops

793.3 gflops

Manufacturing process technology

14 nm

28 nm

Number of transistors

5,700 million

1,870 million

Pipelines / CUDA cores

2304

384

Power consumption (TDP)

185 Watt

55 Watt

Texture fill rate

193.0

24.79

Memory type

GDDR5

DDR3

Maximum RAM amount

8 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

8000 MHz

1800 MHz

Memory bandwidth

256.0 GB/s

28.8 GB/s

Display Connectors

1x HDMI, 3x DisplayPort

1x DVI, 1x HDMI, 1x VGA

HDMI

DirectX

12 (12_0)

12 (11_0)

CUDA

5.0

OpenCL

2.0

1.2

OpenGL

4.6

Shader Model

6.4

5.1

Vulkan

1.2.131

1.1.126