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Intel Core i9-12900 vs Intel Core Ultra 9 285K: Comparison
Intel Core i9-12900 and Intel Core Ultra 9 285K separate most on l2 cache: Intel Core i9-12900 at 14 MB, Intel Core Ultra 9 285K at 40 MB, 65% in favour of Intel Core Ultra 9 285K. L3 Cache splits them by another 17%, again favouring Intel Core Ultra 9 285K. They match on 9 other specifications, including form factor, market segment and performance cores.
Specs
| Specification |  |  |
|---|---|---|
| Form Factor | Desktop | Desktop |
| Model Number | i9-12900 | 285K |
| Codename | Alder Lake | Arrow Lake-S |
| TDP | 65 W | 125W Base / 250W Max Turbo |
| Market Segment | Desktop | Desktop |
| Socket | LGA 1700 | LGA 1851 |
| Socket Status | Mature | Current |
| Process Node | 10 nm | 3 nm |
| Performance Cores | 8 | 8 |
| Efficiency Cores | 8 | 16 |
| SMT Enabled | true | false |
| P-Core Base Clock | 2.4 | 3.7 |
| P-Core Boost Clock | 5.1 | 5.5 |
| E-Core Base Clock | 1.8 | 3.2 |
| E-Core Boost Clock | 3.8 | 4.6 |
| Unlocked Multiplier | false | true |
| L2 Cache | 14 MB-65% | 40 MB |
| L3 Cache | 30 MB-17% | 36 MB |
| Base Power | 65 W | 125 W |
| Max Turbo Power | 202 | 250 |
| Memory Type | DDR5 or DDR4 | DDR5 |
| Max Memory Speed | 4800 | 6400 |
| Memory Channels | 2 | 2 |
| Max Memory Capacity | 128 | 256 |
| Integrated Graphics | Yes | Yes |
| iGPU Model | Intel UHD Graphics 770 | Intel Graphics |
| iGPU Compute Units | 32 | 4 |
| Copilot Plus Certified | false | false |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| PCIe Lanes | 20-17% | 24 |
| Launch MSRP | 489 | 589 |
| Retail Availability | Boxed Retail | Boxed Retail |
| Cores | 16 | 24 |
| Threads | 24 | 24 |
| Architecture | Alder Lake | Arrow Lake, Core Ultra 200 Series |
Verdict
Intel Core i9-12900
8.2 / 10 Expert Rating
The Intel Core i9-12900 is a mainstream desktop processor, a solid all-rounder for gaming and productivity builds.