GeForce GTX 1080 11Gbps and Radeon R9 M395X Mac Edition - video card comparison

GeForce GTX 1080 11Gbps

Radeon R9 M395X Mac Edition

Architecture

Pascal (2016−2021)

GCN 3.0 (2014−2017)

GPU code name

GP104

Amethyst

Market segment

Desktop

Release date

April 2017

May 2015

Interface

PCIe 3.0 x16

MXM-B (3.0)

Supplementary power connectors

1x 8-pin

None

Boost clock speed

1733 MHz

Core clock speed

1607 MHz

909 MHz

Floating-point performance

8,873 gflops

3,723 gflops

Manufacturing process technology

16 nm

28 nm

Number of transistors

7,200 million

5,000 million

Pipelines / CUDA cores

2560

2048

Power consumption (TDP)

180 Watt

250 Watt

Texture fill rate

277.3

116.4

Memory type

GDDR5X

GDDR5

Maximum RAM amount

8 GB

4 GB

Memory bus width

256 Bit

Memory clock speed

11008 MHz

5460 MHz

Memory bandwidth

352.3 GB/s

174.7 GB/s

Display Connectors

1x DVI, 1x HDMI, 3x DisplayPort

No outputs

HDMI

DirectX

12 (12_1)

12 (12_0)

CUDA

6.1

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

6.4

6.3

Vulkan

1.2.131