GeForce GT 645M vs Radeon HD 7990

  NVIDIA

Developer

  AMD

  GeForce GT 645M

Model

  Radeon HD 7990

  -

benchmarks
Total performance

  44.3

  Kepler(N13P-GS)

Architecture

  -

  28

Process, nm

  -

  -

Release year

  2014

  384

Shaders

  -

  710

Core frequency

  -

  710

Shaders frequency

  -

  DDR3

Memory type

  -

  1800

Memory frequency

  -

  128

Memory bus

  -

  11

DirectX

  -

 

    System device ids

     

    • 1002 679B

     

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