Intel Core i9 12900KF 16-core LGA1700
The hybrid architecture with 8 performance and 8 efficiency cores pushes a 5.2GHz boost clock, delivering a 40,766 PassMark multi-core score for heavy multitasking and gaming. Its unlocked multiplier on the LGA1700 socket allows for extensive overclocking headroom when paired with a robust cooling solution. This processor is best for PC builders and gamers who already own a discrete GPU and want maximum frame rates without paying for integrated graphics.
Snapshot
Pros & Cons
Pros
- Strong single thread (93rd percentile) 93rd
- Strong multi thread (90th percentile) 90th
- Strong ai (89th percentile) 89th
- Strong platform (89th percentile) 89th
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 11 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Processor
| Brand | Intel |
| Series | Core i9 |
| Model | 12900KF |
| Codename | Alder Lake |
| Class | desktop |
| Process | 7 |
Cores & Clocks
| Cores | 16 |
| P-cores | 8 |
| E-cores | 8 |
| Threads | 24 |
| Base Clock | 3200 |
| Boost Clock | 5200 |
Cache
| L2 Cache | 14 |
| L3 Cache | 30 MB |
Performance
| PassMark Multi | 40530 |
| PassMark Single | 4121 |
Memory
| Memory Type | DDR5 |
| Max Speed | 4800 |
| Channels | 2 |
| Max Memory | 128 |
| ECC | No |
Platform & Power
| Socket | LGA1700 |
| PCIe | 5 |
| PCIe Lanes | 20 |
| TDP | 125 |
| Max Turbo Power | 241 |
| Unlocked | Yes |
Graphics & AI
| Integrated Graphics | None |
vs Competition
| Spec | Intel Core i9 12900KF | AMD Ryzen 7 9800X3D | G.Skill Trident Z Neo | Lenovo Ryzen 5 Sparepart: | fosa1 fosa4ycn78izud | HP Xeon Silver 4310 |
|---|---|---|---|---|---|---|
| Cores | 16 | 8 | 6 | 6 | 6 | 12 |
| Threads | 24 | 16 | 12 | 12 | 12 | 24 |
| Boost Clock Mhz | 5200 | 5200 | 4200 | 4000 | 3060 | 3300 |
| L3 Cache Mb | 30 | 96 | 32 | 8 | 12 | 18 |
| Tdp W | 125 | 120 | 65 | 15 | 95 | 120 |
| Socket | LGA1700 | AM5 | AMD Socket AM4 | AM4 | LGA1366 | LGA4189 |
| Integrated Graphics | None | AMD Radeon Graphics | - | AMD Integrated Graphics | - | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | User Sentiment | Efficiency | Multi Thread | Social Proof | Single Thread |
|---|---|---|---|---|---|---|---|---|
| Intel Core i9 12900KF | 89.3 | 83.3 | 88.8 | 64 | 86.8 | 90.2 | 84.9 | 92.6 |
| AMD Ryzen 7 9800X3D Compare | 91.2 | 98.4 | 95.1 | 92.6 | 87.5 | 90 | 96.5 | 95.6 |
| G.Skill Trident Z Neo Compare | 72.4 | 87 | 78.2 | 0 | 82.9 | 73.4 | 1.5 | 72.3 |
| Lenovo Ryzen 5 Sparepart: Compare | 63.9 | 54.4 | 56.6 | 0 | 99.2 | 64.6 | 11.8 | 66.2 |
| fosa1 fosa4ycn78izud Compare | 25.7 | 20.1 | 64.8 | 0 | 24.5 | 24.5 | 65 | 36.1 |
| HP Xeon Silver 4310 Compare | 38.4 | 20.1 | 62 | 0 | 42.8 | 52.4 | 1.5 | 9.9 |
Price
Value & Pricing
Amazon 1 offer From £330
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
