Themis

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Themis
X816343-002.jpg
Part NumberX816343
IntroducedEarly 2008
Designed ByMicrosoft
TypeGPU
Clock Speed500MHz
Process65nm
PackageUnknown

Themis is an engineering sample GPU likely created to evaluate final Gunga silicon.

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
  • C22 stepping
  • 65nm process

Details

Themis' BGA compared to a regular GPU (left) and XCGPU (right)

Little is known about Themis. The BGA layout is massive. The die etchings mention the Styx-90 stepping FS21, but it is not included on the package. The reason for this is unknown.

  • Part Number: X816343