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October 25, 2014 
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AMD Tonga GPU has 2048 stream processors

Posted on Wednesday, August 13 2014 @ 13:14:40 CEST by


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AMD launched some new FirePro workstation cards based, including the W7100, which is based on the Tonga GPU. This new chip will soon be used for The Radeon R9 285 lineup so the W7100 gives a basic idea of what to expect. The W7100 has 4 compute units (CUs) disabled so the full version of Tonga may offer up to 2048 stream processors spread across 32 CUs although it's believed that the Radeon R9 285 will be limited to 1792. A future R9 285X however may unlock the full potential of Tonga.
Tonga is based on GCN 1.1 architecture, it has increased primitive rate and larger L2 cache. Tonga has TrueAudio and XDMA CrossFire support.

  • Oland : GCN 1.0, 6 CU, 1 triangle per cycle, 8 ROP, L2 256 KB, 128 bits
  • Cape Verde : GCN 1.0, 10 CU, 1 triangle per cycle, 16 ROP, L2 512 KB, 128 bits
  • Bonaire : GCN 1.1, 14 CU, 2 triangles per cycle, 16 ROP, L2 512 KB, 128 bits
  • Pitcairn : GCN 1.0, 20 CU, 2 triangles per cycle, 32 ROP, L2 512 KB, 256 bits
  • Tonga : GCN 1.1, 28 or 32 CU, 4 triangles per cycle, 32 ROP, L2 512 or 1024 KB, 256 bits
  • Tahiti : GCN 1.0, 32 CU, 2 triangles per cycle, 32 ROP, L2 768 KB, 384 bits
  • Hawaii : GCN 1.1, 44 CU, 4 triangles per cycle, 64 ROP, L2 1024 KB, 512 bits
  • AMD Tonga

    Source: VideoCardz


     



     

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