Maxwell GPU Surface Book and Radeon R6 M255DX - video card comparison

Maxwell GPU Surface Book

Radeon R6 M255DX

Architecture

Maxwell (2014−2018)

GCN (2011−2017)

GPU code name

Surface Book

Jet UL(T) DDR3

Market segment

Laptop

Laptop

Release date

October 2015

June 2014

Interface

-

IGP

Boost clock speed

993 MHz

940 MHz

Core clock speed

954 MHz

855 / 514 MHz

Manufacturing process technology

28 nm

28 nm

Number of transistors

-

690 million

Pipelines / CUDA cores

384

576

Texture fill rate

-

17.10

Memory type

GDDR5

DDR3

Maximum RAM amount

1 GB

System Shared

Memory bus width

64 Bit

System Shared

Memory clock speed

5012 MHz

System Shared

Shared memory

-

+

Display Connectors

-

No outputs

Eyefinity

-

+

DirectX

12 (FL 11_0)

12 (11_1)

CUDA

+

-

OpenCL

-

1.2

OpenGL

-

4.6

Shader Model

-

5.1

Vulkan

-

1.2.131

AppAcceleration

-

+

Optimus

+

-