Radeon R9 390 X2 and GeForce GTX 1080 11Gbps - video card comparison

Radeon R9 390 X2

GeForce GTX 1080 11Gbps

Architecture

GCN 2.0 (2013−2017)

Pascal (2016−2021)

GPU code name

Grenada

GP104

Market segment

Desktop

Release date

September 2015

April 2017

Interface

PCIe 3.0 x16

Supplementary power connectors

4x 8-pin

1x 8-pin

Boost clock speed

1733 MHz

Core clock speed

1000 MHz

1607 MHz

Floating-point performance

2x 5,120 gflops

8,873 gflops

Manufacturing process technology

28 nm

16 nm

Number of transistors

6,200 million

7,200 million

Pipelines / CUDA cores

2560

Power consumption (TDP)

580 Watt

180 Watt

Texture fill rate

160.0

277.3

Memory type

GDDR5

GDDR5X

Maximum RAM amount

8 GB

Memory bus width

512 Bit

256 Bit

Memory clock speed

5400 MHz

11008 MHz

Memory bandwidth

345.6 GB/s

352.3 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

1x DVI, 1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (12_0)

12 (12_1)

CUDA

6.1

OpenCL

2.0

1.2

OpenGL

4.6

Shader Model

6.3

6.4

Vulkan

1.2.131