Intel BX80673I99900X
The 10-core, 20-thread Skylake X chip hits a 4.4 GHz boost and 19.25 MB cache, with quad-channel DDR4-2666 support and a 165W TDP on LGA 2066. It is unlocked for overclocking and supports Intel Optane Memory, but only works with X299 motherboards. Best for enthusiasts building a high-core-count workstation for rendering or video editing who already own or plan to buy an X299 platform.
Snapshot
Pros & Cons
Pros
- Strong platform (81st percentile) 81st
- Strong ai (81st percentile) 81st
- Strong social proof (79th percentile) 79th
- Strong multi thread (78th percentile) 78th
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 6 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 | 9900X |
| Codename | Skylake X |
| Class | desktop |
| Process | 14 |
Cores & Clocks
| Cores | 10 |
| P-cores | 10 |
| Threads | 20 |
| Base Clock | 3500 |
| Boost Clock | 4400 |
Cache
| L2 Cache | 10 |
| L3 Cache | 19.25 MB |
Performance
| PassMark Multi | 21602 |
| PassMark Single | 2534 |
Memory
| Memory Type | DDR4 |
| Max Speed | 2666 |
| Channels | 4 |
| ECC | No |
Platform & Power
| Socket | LGA 2066 |
| PCIe | 3 |
| PCIe Lanes | 44 |
| TDP | 165 |
| Unlocked | Yes |
vs Competition
| Spec | Intel BX80673I99900X | AMD Ryzen 7 9800X3D | Dell Inspiron 7700 | HP Celeron 14-dq3000dx | DAKboard CPU v4 | Expert X6AIR |
|---|---|---|---|---|---|---|
| Cores | 10 | 8 | 10 | 2 | 4 | - |
| Threads | 20 | 16 | 12 | 2 | - | - |
| Boost Clock Mhz | 4400 | 5200 | 4700 | 2800 | - | - |
| L3 Cache Mb | 19.25 | 96 | 12 | 4 | - | - |
| Tdp W | 165 | 120 | 15 | 6 | - | - |
| Socket | LGA 2066 | AM5 | Intel BGA 1744 | Intel BGA 1338 | BGA | BGA |
| Integrated Graphics | - | AMD Radeon Graphics | Iris Xe 96EU | Intel UHD Graphics | - | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Social Proof | Single Thread |
|---|---|---|---|---|---|---|---|
| Intel BX80673I99900X | 81 | 62.2 | 81.2 | 63.9 | 77.7 | 78.6 | 71 |
| AMD Ryzen 7 9800X3D Compare | 91.2 | 98.4 | 95.1 | 87.5 | 90 | 96.5 | 95.6 |
| Dell Inspiron 7700 Compare | 62.3 | 69.4 | 70.8 | 99.4 | 66.4 | 27.4 | 82 |
| HP Celeron 14-dq3000dx Compare | 17.2 | 54.4 | 54.4 | 32 | 10.9 | 9.1 | 30.2 |
| DAKboard CPU v4 Compare | 12.6 | 20.1 | 17.5 | 11.9 | 17 | 59.7 | 20 |
| Expert X6AIR Compare | 3.3 | 20.1 | 17.5 | 3.9 | 3.9 | 71.6 | 14.9 |
Price
Value & Pricing
Amazon 1 offer From ¥69,552
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.
