Kronos: Difference between revisions
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'''Kronos''' is a 65nm [[GPU]] and is used on the [[Tonasket]] motherboard and [[Jasper]] motherboards built in July 2009. No significant changes were made. The [[eDRAM]] was changed to [[Styx]] | '''Kronos''' is a 65nm [[GPU]] and is used on the [[Tonasket]] motherboard and [[Jasper]] motherboards built in July 2009. No significant changes were made. The [[eDRAM]] was changed to [[Styx-65]]. Kronos has proven to be the most reliable version of the [[GPU]]. | ||
== Specifications == | == Specifications == | ||
=== GPU === | === GPU (Gunga) === | ||
{{GPU Specs}} | {{GPU Specs}} | ||
* C23 [[stepping]] | * C23 [[stepping]] | ||
| Line 31: | Line 31: | ||
== Details == | == Details == | ||
Kronos uses the [[ | Kronos uses the [[Gunga]] [[GPU]] and [[Styx-65]] [[eDRAM]]. | ||
* Part Number: X820894 | * Part Number: X820894 | ||
| Line 54: | Line 54: | ||
[[File:X817816-001.jpg|150px]] | [[File:X817816-001.jpg|150px]] | ||
[[File:X818004-001.jpg|150px]] | |||
* Part | * Part Numbers: | ||
** X817816-001 | |||
** X818004-001 | |||
=== C23 === | === C23 === | ||
Latest revision as of 01:54, 9 November 2024
 | |
| Part Number | X820894 |
|---|---|
| Introduced | Late 2009 |
| Designed By | Microsoft |
| Codename | Y3 |
| Type | GPU |
| Used In | Jasper (Only in July 2009) Tonasket |
| Clock Speed | 500MHz |
| Memory | 10MB eDRAM |
| Process | 65nm (Both dies) |
| Package | Flip-chip BGA1017 |
| Predecessor | Zeus |
| Successor | Vejle |
Kronos is a 65nm GPU and is used on the Tonasket motherboard and Jasper motherboards built in July 2009. No significant changes were made. The eDRAM was changed to Styx-65. Kronos has proven to be the most reliable version of the GPU.
Specifications
GPU (Gunga)
- 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
- C23 stepping
- 65nm process
eDRAM (Styx-65)
- 10MB 256GB/s eDRAM
- Contains logic for:
- 4-sample anti-aliasing
- Alpha compositing
- Color
- Z/stencil buffering
- GS21 stepping
- 65nm process
Details
Kronos uses the Gunga GPU and Styx-65 eDRAM.
- Part Number: X820894
Prototypes
Engineering Samples by stepping.
C12
First version. Kronos version of Zeus C12 ES. Marked as C12P.
- Part Number: X815158-001
C21
Major update. Kronos version of Zeus C21 ES.
- Part Number: Unknown
C22
Minor update. Kronos version of Zeus C22 ES.
- Part Numbers:
- X817816-001
- X818004-001
C23
Minor update. Kronos version of Zeus C23 ES.