GeForce GT 640M LE vs Radeon HD 6490M

  NVIDIA

Developer

  AMD

  GeForce GT 640M LE

Model

  Radeon HD 6490M

  -

benchmarks
Total performance

  -

  Fermi / Kepler(N13P-LP)

Architecture

  Terascale 2(Seymour XT)

  28

Process, nm

  40

  384

Shaders

  160

  500

Core frequency

  700 / 750 / 800

  500

Shaders frequency

  700 / 750 / 800

  DDR3, GDDR5

Memory type

  DDR3/GDDR5

  1800 - 4000

Memory frequency

  800

  128

Memory bus

  64

  11

DirectX

  11

  8858.0

benchmarks
3DMark06

  5571.0

  5858.0

benchmarks
Cinebench R10

  6754.0