Themis

Themis

Part Number	X816343
Introduced	Early 2008
Designed By	Microsoft
Type	GPU
Clock Speed	500MHz
Process	65nm
Package	Unknown

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