Radeon HD 6640G2 vs Radeon HD 7640G + HD 7670M Dual Graphics

  AMD

Developer

  AMD

  Radeon HD 6640G2

Model

  Radeon HD 7640G + HD 7670M Dual Graphics

  -

benchmarks
Total performance

  -

  Terascale 2()

Architecture

  Terascale 3()

  40

Process, nm

  32/40

  560

Shaders

  -

Core frequency

  655 / 600

  -

Shaders frequency

  655 / 600

  -

Memory frequency

  1800

  -

Memory bus

  128

  11

DirectX

  11

  -

OpenGL

  4.2