Leto
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 | |
| Part Number | X817092 |
|---|---|
| Introduced | Early 2008 |
| Designed By | Microsoft |
| Type | GPU |
| Clock Speed | 500MHz |
| Memory | 10MB eDRAM |
| Process | 65nm (GPU die) 90nm (eDRAM die) |
| Package | Flip-chip BGA1017 |
Leto is an engineering sample GPU. It appears to be the same as Zeus, so it's purpose is not known.
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
eDRAM (Styx-90)
- 10MB 256GB/s eDRAM
- Contains logic for:
- 4-sample anti-aliasing
- Alpha compositing
- Color
- Z/stencil buffering
- FS21 stepping
- 90nm process
Details
Little is known about Leto.
- Part Number: X817092