AMD Pitcairn Specifications Released

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Slotting in between Cape Verde and Tahiti, AMD’s Radeon 7800 series of GPUs codenamed Pitcairn is due for release in March. Occupying the sub US $300 market, the Radeon 7800 series will introduce three SKUs, namely the Radeon HD 7850 1 GB, Radeon HD 7850 2 GB and Radeon 7870. The sub US $300 market is aimed squarely at the gaming market, offering the sweetest balance of price to performance. Specifications for the Pitcairn range are as follows:

Radeon HD 7850

  • 20 Graphics CoreNext (GCN) Compute Units with 1,280 stream processors
  • 80 Texture Mapping Units (TMUs)
  • 24 Render OutPut units (ROPs)
  • 2 GB GDDR5 memory with a 256-bit bus
  • 950 MHz core speed
  • 1,375 MHz (5.00 GHz effective) memory speed

Radeon HD 7870

  • 22 Graphics CoreNext (GCN) Compute Units with 1,408 stream processors
  • 88 Texture Mapping Units (TMUs)
  • 24 Render OutPut units (ROPs)
  • 1 GB or 2 GB GDDR5 memory with a 256-bit bus
  • 900 MHz core speed
  • 1,250 MHz (5.50 GHz effective) memory speed

Another SKU, the Radeon HD 7890 based on the Tahiti GPU, will follow at a later stage. Source – Expreview

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