Intel Core i9 11900F 8-core LGA1200
The 8-core, 16-thread design with a 5.2GHz boost clock on a strict 65W TDP delivers strong single-core performance for its power envelope. Its PCIe 4.0 support and 16MB of L3 cache provide a capable platform for modern GPUs and storage without excessive heat output. This processor is best for compact workstation builders who need high clock speeds in thermally constrained environments.
Cores 8
Threads 16
Boost Clock 5200 MHz
L3 Cache 16 MB
TDP 65 W
Socket LGA 1200
Integrated Graphics None Integrated Graphics
73 Overall Score
Price £439
Snapshot
Pros & Cons
Pros
- Strong efficiency (88th percentile) 88th
- Strong single thread (86th percentile) 86th
- Strong multi thread (78th percentile) 78th
- Strong platform (78th percentile) 78th
Cons
The proof
Performance
Specifications
Full Specifications
Processor
| Brand | Intel |
| Series | Core i9 |
| Model | 11900F |
| Codename | Rocket Lake |
| Class | desktop |
| Process | 14 |
Cores & Clocks
| Cores | 8 |
| P-cores | 8 |
| Threads | 16 |
| Base Clock | 2500 |
| Boost Clock | 5200 |
Cache
| L2 Cache | 4 |
| L3 Cache | 16 MB |
Performance
| PassMark Multi | 22091 |
| PassMark Single | 3420 |
Memory
| Memory Type | DDR4 |
| Max Speed | 3200 |
| Channels | 2 |
| Max Memory | 128 |
| ECC | No |
Platform & Power
| Socket | LGA 1200 |
| PCIe | 4 |
| PCIe Lanes | 20 |
| TDP | 65 |
| Unlocked | No |
Graphics & AI
| Integrated Graphics | None Integrated Graphics |
vs Competition
| Spec | Intel Core i9 11900F | AMD Ryzen 7 9800X3D | CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor | G.Skill Trident Z Neo | Lenovo Ryzen 5 Sparepart: | WowWee Xeon Gold 5120 |
|---|---|---|---|---|---|---|
| Cores | 8 | 8 | 24 | 6 | 6 | 14 |
| Threads | 16 | 16 | 48 | 12 | 12 | 28 |
| Boost Clock Mhz | 5200 | 5200 | 4000 | 4200 | 4000 | 3200 |
| L3 Cache Mb | 16 | 96 | 128 | 32 | 8 | 19.25 |
| Tdp W | 65 | 120 | 200 | 65 | 15 | 105 |
| Socket | LGA 1200 | AM5 | AMD Socket SP3 | AMD Socket AM4 | AM4 | LGA 3647 |
| Integrated Graphics | None Integrated Graphics | AMD Radeon Graphics | - | - | AMD Integrated Graphics | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Social Proof | Single Thread |
|---|---|---|---|---|---|---|---|
| Intel Core i9 11900F | 77.5 | 54.4 | 77.6 | 88.4 | 78.4 | 73.7 | 85.9 |
| AMD Ryzen 7 9800X3D Compare | 91.2 | 98.4 | 95.1 | 87.5 | 90 | 96.5 | 95.6 |
| CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor Compare | 94.7 | 76.8 | 84 | 83.7 | 94.4 | 38.3 | 80.1 |
| G.Skill Trident Z Neo Compare | 72.4 | 87 | 78.2 | 82.9 | 73.4 | 1.5 | 72.3 |
| Lenovo Ryzen 5 Sparepart: Compare | 63.9 | 54.4 | 56.6 | 99.2 | 64.6 | 11.8 | 66.2 |
| WowWee Xeon Gold 5120 Compare | 73.7 | 20.1 | 17.5 | 72.6 | 74.3 | 38.3 | 44.2 |
Price
Value & Pricing
From £439
Amazon 1 offer From £439
We started tracking prices for this product on Jun 13, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
