Radeon HD 6640G2 vs Radeon R7 M445

  AMD

Developer

  AMD

  Radeon HD 6640G2

Model

  Radeon R7 M445

  -

benchmarks
Total performance

  -

  Terascale 2()

Architecture

  GCN()

  40

Process, nm

  28

Shaders

  320

  -

Core frequency

  920

  -

Memory type

  GDDR5

  -

Memory frequency

  2000

  -

Memory bus

  64

  11

DirectX

  12

  -

OpenGL

  4.5