GeForce GTX 950M Mac Edition and Radeon RX 580 2048SP - video card comparison

GeForce GTX 950M Mac Edition

Radeon RX 580 2048SP

Architecture

Maxwell (2014−2018)

GCN 4.0 (2016−2020)

GPU code name

GM107

Polaris 20

Market segment

Desktop

Release date

March 2015

October 2018

Interface

MXM-B (3.0)

PCIe 3.0 x16

Supplementary power connectors

1x 8-pin

Boost clock speed

1124 MHz

1284 MHz

Core clock speed

993 MHz

1168 MHz

Floating-point performance

1,271 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

1,870 million

5,700 million

Pipelines / CUDA cores

640

2048

Power consumption (TDP)

75 Watt

150 Watt

Texture fill rate

44.96

164.4

Memory type

DDR3

GDDR5

Maximum RAM amount

2 GB

8 GB

Memory bus width

128 Bit

256 Bit

Memory clock speed

1800 MHz

7000 MHz

Memory bandwidth

28.8 GB/s

224.0 GB/s

Display Connectors

No outputs

1x DVI, 1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (11_0)

12 (12_0)

CUDA

5.0

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.4

Vulkan

1.1.126

1.2.131