GeForce GT 640 vs Radeon HD 8970M Crossfire

  Nvidia

Developer

  AMD

  GeForce GT 640

Model

  Radeon HD 8970M Crossfire

  9.14

benchmarks
Total performance

  -

  -

Architecture

  GCN(Neptune CF)

  -

Process, nm

  28

  2014

Release year

  -

  -

Shaders

  2560

  -

Core frequency

  850

  -

Core frequency (turbo mode)

  900

  -

Memory type

  GDDR5

  -

Memory frequency

  4800

  -

Memory bus

  2x 256

  -

DirectX

  11.1

  -

OpenGL

  4.2

• 10DE 0FC1
• 10DE 0FC0
• 10DE 1282
• 10DE 124B

System device ids

• Dell XPS 8500
• bin bin
• Alienware X51
• Asus M51AC
• Acer Predator G3620
• Asus M5A78L-M/USB3
• Asus M5A97 R2.0

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