Radeon HD 7770 vs Radeon HD 6990M

  AMD

Developer

  AMD

  Radeon HD 7770

Model

  Radeon HD 6990M

  17.1

benchmarks
Total performance

  -

  GCN(Cape Verde)

Architecture

  Terascale 2(Blackcomb XTX)

  28

Process, nm

  40

  2014

Release year

  -

  640

Shaders

  1120

  1000

Core frequency

  715

  1000

Shaders frequency

  715

  GDDR5

Memory type

  GDDR5

  4500

Memory frequency

  900

  128

Memory bus

  256

  11.1

DirectX

  11

  4.2

OpenGL

  -

  19307.0

benchmarks
3DMark06

  21082.0

 

  • 1002 683D

System device ids

 

     

    • Dell XPS 8500
    • Asus M5A97 R2.0
    • Gigabyte GA-78LMT-USB3
    • Asus M5A78L-M/USB3
    • bin bin
    • Gigabyte GA-970A-DS3P
    • Asus M5A97 LE R2.0

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