GeForce GTX 660M vs Radeon HD 6990

  Nvidia

Developer

  AMD

  GeForce GTX 660M

Model

  Radeon HD 6990

  10.3

benchmarks
Total performance

  Kepler(N13E-GE)

Architecture

  -

  28

Process, nm

  -

  2014

Release year

  2014

  384

Shaders

  -

  835

Core frequency

  -

  835

Shaders frequency

  -

  GDDR5

Memory type

  -

  4000

Memory frequency

  -

  128

Memory bus

  -

  11

DirectX

  -

• 10DE 0FD4
• 10DE 0FE0

System device ids

• 1002 671D

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