Radeon R9 290 and GeForce GTX 745 OEM - video card comparison

Radeon R9 290

GeForce GTX 745 OEM

Architecture

GCN 2.0 (2013−2017)

Maxwell (2014−2018)

GPU code name

Hawaii

GM107

Market segment

Desktop

Release date

November 2013

February 2014

Interface

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

None

Core clock speed

947 MHz

1033 MHz

Floating-point performance

4,849 gflops

793.3 gflops

Manufacturing process technology

28 nm

Number of transistors

6,200 million

1,870 million

Pipelines / CUDA cores

2560

384

Power consumption (TDP)

275 Watt

55 Watt

Texture fill rate

151.5

24.79

Memory type

GDDR5

DDR3

Maximum RAM amount

4 GB

Memory bus width

512 Bit

128 Bit

Memory clock speed

5000 MHz

1800 MHz

Memory bandwidth

320.0 GB/s

28.8 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x 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

6.3

5.1

Vulkan

1.2.131

1.1.126