Radeon R9 290 and Radeon R9 280X2 - video card comparison

Radeon R9 290

Radeon R9 280X2

Architecture

GCN 2.0 (2013−2017)

GCN 1.0 (2012−2020)

GPU code name

Hawaii

Tahiti

Market segment

Desktop

Desktop

Release date

November 2013

-

Interface

PCIe 3.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

3x 8-pin

Boost clock speed

-

1000 MHz

Core clock speed

947 MHz

-

Floating-point performance

4,849 gflops

-

Manufacturing process technology

28 nm

28 nm

Number of transistors

6,200 million

4,313 million

Pipelines / CUDA cores

2560

2048

Power consumption (TDP)

275 Watt

375 Watt

Texture fill rate

151.5

128.0

Memory type

GDDR5

GDDR5

Maximum RAM amount

4 GB

3 GB

Memory bus width

512 Bit

384 Bit

Memory clock speed

5000 MHz

6 GB/s

Memory bandwidth

320.0 GB/s

288.0 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

6x mini-DisplayPort 1.2

HDMI

+

-

DirectX

12 (12_0)

12 (11_1)

OpenCL

2.0

2.1 (1.2)

OpenGL

4.6

4.6

Shader Model

6.3

6.5 (5.1)

Vulkan

1.2.131

1.2.170