GeForce GT 640M vs Radeon HD 7800M

  Nvidia

Developer

  AMD

  GeForce GT 640M

Model

  Radeon HD 7800M

  6.96

benchmarks
Total performance

  12.1

  Kepler(N13P-GS)

Architecture

  -

  28

Process, nm

  -

  2014

Release year

  2014

  384

Shaders

  -

  625

Core frequency

  -

  645

Core frequency (turbo mode)

  -

  DDR3, GDDR5

Memory type

  -

  1800 - 4000

Memory frequency

  -

  128

Memory bus

  -

  11

DirectX

  -

 

  • 10DE 0FD2
  • 10DE 0FD3
  • 10DE 0FD8

System device ids

 

  • 1002 6825
  • 1002 6827

 

  • Acer Aspire V3-571G
  • Dell XPS L521X
  • Apple iMac13,1
  • Samsung 700Z3C/700Z5C
  • Acer Aspire V3-771
  • Toshiba Satellite P855
  • Lenovo IdeaPad Z580

Popular builds

 

  • Samsung DP700A3D/DM700A3D/DB701A3D/DP700A7D
  • Dell Precision M6700
  • HP ENVY 17 Notebook PC
  • Samsung 700G7C
  • Asrock HM77-MXM
  • Dell Precision M6600
  • HP Pavilion dm3 Notebook PC