iXBT Labs - Computer Hardware in Detail






i3DSpeed, December 2010

AMD Radeon HD 6870 1GB DDR5 (900/900/4200 MHz)

Andrey Vorobiev; January 14, 2010.

On the example of AMD Radeon HD 6870 1GB DDR5 (900/900/4200 MHz).

Price: Newegg, Amazon.


  • GPU: Radeon HD 6870 (Barts)
  • Memory: 1GB GDDR5 SDRAM in 8 chips on the front side of the PCB
  • Interface: PCIe x16
  • GPU clock rate (ROPs/Shaders): 900/900 MHz (standard)
  • Memory clock rate, physical (effective): 1050 (4200) MHz (standard)
  • Bus: 256-bit
  • Stream processors: 1120
  • TMUs: 56 (BLF/TLF)
  • ROPs: 32
  • Size: 270x100x33 mm
  • PCB color: black
  • RAMDACs/TDMS: integrated into GPU
  • Outputs:Dual-Link DVI, Single-Link DVI-D, 2 x Mini DisplayPort, HDMI
  • Multi-GPU mode: hardware CrossFireX

Image © AMD

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

This card has two 6-pin supplementary power connectors.

This card can work with three monitors simultaneously.

Maximum resolutions and frequencies:

  • 240 Hz maximum refresh rate
  • 2560 x 1600 @ 60Hz Max via digital interface (all Dual-Link DVIs)

We thank AMD for the provided graphics card.

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