Venus: Difference between revisions
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| clockspeed = 500MHz | | clockspeed = 500MHz | ||
| memory = 10MB [[eDRAM]] | | memory = 10MB [[eDRAM]] | ||
| process = 90nm ( | | process = 90nm (Both dies) | ||
| package = Flip-chip BGA1017 | | package = Flip-chip BGA1017 | ||
| successor = [[Rhea]] | | successor = [[Rhea]] | ||
}} | }} | ||
'''Venus''' is an engineering sample [[GPU]] used to checkout the first version of the | '''Venus''' is an engineering sample [[GPU]] used to checkout the first version of the [[Styx-90]] eDRAM. The GPU die is the same 90nm die as [[Y1 (GPU)|Y1]]. | ||
== Specifications == | == Specifications == | ||
=== GPU === | === GPU (Xenos C1) === | ||
{{GPU Specs}} | {{GPU Specs}} | ||
* A32 [[stepping]] | * A32 [[stepping]] | ||
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[[File:X809141-001-2.jpg|thumb|150px|upright|right|Venus from another angle]] | [[File:X809141-001-2.jpg|thumb|150px|upright|right|Venus from another angle]] | ||
Based on the manufacturing date, it is speculated that this chip was designed in order to test [[Styx]] | Based on the manufacturing date, it is speculated that this chip was designed in order to test [[Styx-90]] before the [[Xenos C2]] or [[Gunga]] were available. The [[GPU]] die is marked with "GPU Y3/Venus ES", indicating that it is part of the Y3 program. Little else is known about Venus. | ||
* Part Number: X809141 | * Part Number: X809141 | ||
Latest revision as of 23:31, 23 August 2024
 | |
| Part Number | X809141 |
|---|---|
| Introduced | Early 2006 |
| Designed By | ATi Microsoft NEC (eDRAM) |
| Type | GPU |
| Clock Speed | 500MHz |
| Memory | 10MB eDRAM |
| Process | 90nm (Both dies) |
| Package | Flip-chip BGA1017 |
| Successor | Rhea |
Venus is an engineering sample GPU used to checkout the first version of the Styx-90 eDRAM. The GPU die is the same 90nm die as Y1.
Specifications
GPU (Xenos C1)
- 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
- A32 stepping
- 90nm process
eDRAM (Styx-90)
- 10MB 256GB/s eDRAM
- Contains logic for:
- 4-sample anti-aliasing
- Alpha compositing
- Color
- Z/stencil buffering
- FS11 stepping
- 90nm process
Details
Based on the manufacturing date, it is speculated that this chip was designed in order to test Styx-90 before the Xenos C2 or Gunga were available. The GPU die is marked with "GPU Y3/Venus ES", indicating that it is part of the Y3 program. Little else is known about Venus.
- Part Number: X809141