iXBT Labs - Computer Hardware in Detail






i3DSpeed, April 2012

AMD Radeon HD 6970 2048MB 256-bit DDR5 (880/880/5500 MHz)

Andrey Vorobiev; May 5, 2012.

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On the example of a reference AMD Radeon HD 6970 2048 MB 256-bit DDR5 (880/880/5500 MHz).


  • GPU: Radeon HD 6970 (Cayman)
  • Interface: PCIe 2.1 x16
  • GPU clock rate (ROPs/shaders): 880 MHz (standard)
  • Memory clock rate, physical (effective): 1375 (5500) MHz (standard)
  • Memory bus: 256-bit
  • Stream processors: 1536
  • Texture units: 96 (BLF/TLF/ANIS)
  • ROP units: 32
  • Dimensions: 275x100x33 mm
  • Board color: black
  • Display connectors: 2 x Dual-Link DVI, 1 x HDMI 1.4a, 2 x Mini DisplayPort 1.2
  • Multi-GPU mode: hardware CrossFireX

This card has two BIOS chips and a selector switch. This should help fix unsuccessful firmware upgrades. The first BIOS chip is select by default.

This card features its own audio codec, so nothing else is required to output audio to HDMI.

This card has one 6-pin and one 8-pin supplementary power connector.

This card can work with three monitors simultaneously (one has to be connected via DisplayPort). Moreover, each new DisplayPort 1.2 interface allows outputting signal to three monitors by means of a special hub. So two such interfaces allow connecting six monitors at once.

Maximum resolutions and frequencies:

  • 240 Hz maximum refresh rate
  • 2560 x 1600 @ 60Hz max. digital resolution
  • 2048 x 1536 @ 85Hz max. VGA resolution

We thank AMD for the provided graphics card.

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