Kronos

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Revision as of 23:57, 2 January 2023 by Octal450 (talk | contribs) (Created page with "{{Infobox Chip | name = Kronos | image = X820864.jpg | image_size = 150px | partnumber = X820864 | introduced = Late 2009 | designedby = ATi<br>Microsoft<br>NEC (eDRAM) | codename = C23 | type = GPU | usedin = Jasper (Only in July 2009)<br>Jasper Tonasket | clockspeed = 500MHz | memory = 10MB eDRAM | process = 65nm (Both dies) | package = Flip-chip BGA1017 | predecessor = Zeus (...")
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Kronos
File:X820864.jpg
Part NumberX820864
IntroducedLate 2009
Designed ByATi
Microsoft
NEC (eDRAM)
CodenameC23
TypeGPU
Used InJasper (Only in July 2009)
Jasper Tonasket
Clock Speed500MHz
Memory10MB eDRAM
Process65nm (Both dies)
PackageFlip-chip BGA1017
PredecessorZeus
SuccessorValhalla

Kronos is a 65nm GPU used in the Xbox 360. It is the successor to Zeus and has the C23 design. No significant changes were made to the GPU. The eDRAM process was shrunk to 65nm.

Specifications

GPU

  • 500Mhz clock speed
  • 48 floating-point vector processors divided into 3 dynamically scheduled SIMD groups (16 each)
  • Unified shader architecture
  • 16 texture addressing units
  • 16 texture filtering units
  • 8 pixel rendering pipelines
  • Direct access to CPU L2 cache
  • 65nm process

eDRAM

  • 10MB 256GB/s eDRAM
  • Contains logic for:
    • 4-sample anti-aliasing
    • Alpha compositing
    • Color
    • Z/stencil buffering
  • 65nm process

Details

  • Part Number: X820894
  • Foundries:
    • Korea Foundry
    • Taiwan Foundry