Radeon R9 M295X Mac Edition and GeForce GTX 1080 11Gbps - video card comparison

Radeon R9 M295X Mac Edition

GeForce GTX 1080 11Gbps

Architecture

GCN 3.0 (2014−2017)

Pascal (2016−2021)

GPU code name

Amethyst

GP104

Market segment

Desktop

Release date

November 2014

April 2017

Interface

MXM-B (3.0)

PCIe 3.0 x16

Supplementary power connectors

1x 8-pin

Boost clock speed

1733 MHz

Core clock speed

850 MHz

1607 MHz

Floating-point performance

3,482 gflops

8,873 gflops

Manufacturing process technology

28 nm

16 nm

Number of transistors

5,000 million

7,200 million

Pipelines / CUDA cores

2048

2560

Power consumption (TDP)

250 Watt

180 Watt

Texture fill rate

108.8

277.3

Memory type

GDDR5

GDDR5X

Maximum RAM amount

4 GB

8 GB

Memory bus width

256 Bit

Memory clock speed

5448 MHz

11008 MHz

Memory bandwidth

174.3 GB/s

352.3 GB/s

Display Connectors

No outputs

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