Maxwell GPU Surface Book and Radeon R4 (Beema) - video card comparison

Maxwell GPU Surface Book

Radeon R4 (Beema)

Architecture

Maxwell (2014−2018)

GCN 1.1 (2014)

GPU code name

Surface Book

Beema

Market segment

Laptop

Laptop

Release date

October 2015

April 2014

Boost clock speed

993 MHz

-

Core clock speed

954 MHz

800 MHz

Manufacturing process technology

28 nm

28 nm

Pipelines / CUDA cores

384

128

Memory type

GDDR5

-

Maximum RAM amount

1 GB

-

Memory bus width

64 Bit

64 Bit

Memory clock speed

5012 MHz

-

Shared memory

-

+

DirectX

12 (FL 11_0)

12 (FL 12_0)

CUDA

+

-

Optimus

+

-