GeForce GTX 980M SLI and Radeon RX 580 Mobile - video card comparison

GeForce GTX 980M SLI

Radeon RX 580 Mobile

Architecture

Maxwell (2014−2018)

Polaris (2016−2019)

GPU code name

-

Polaris

Market segment

Laptop

Laptop

Release date

October 2014

April 2017

Interface

-

MXM-B (3.0)

SLI options

+

-

Boost clock speed

1127 MHz

1077 MHz

Core clock speed

1038 MHz

1000 MHz

Floating-point performance

-

4,963 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

2x 5200 Million

5,700 million

Pipelines / CUDA cores

3072

2304

Power consumption (TDP)

200 Watt

100 Watt

Texture fill rate

-

155.1

Memory type

GDDR5

GDDR5

Maximum RAM amount

2x 8 GB

8 GB

Memory bus width

2x 256 Bit

256 Bit

Memory clock speed

5000 MHz

8000 MHz

Memory bandwidth

-

256.0 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

12_1

12 (12_0)

CUDA

+

-

OpenCL

-

2.0

OpenGL

-

4.6

Shader Model

-

6.4

Vulkan

+

1.2.131

Optimus

+

-