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.
Cores 10
Threads 20
Boost Clock 4400 MHz
L3 Cache 19.25 MB
TDP 165 W
Socket LGA 2066
65 Overall Score
Price MX$11,260
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.
Owner sentiment has held steady over time
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 | SMC EPYC 9555P | HP Xeon P67080-B21 | fosa1 fosa4ycn78izud | Dell Xeon 641329687376-cr |
|---|---|---|---|---|---|---|
| Cores | 10 | 8 | 64 | 16 | 6 | 4 |
| Threads | 20 | 16 | 128 | 32 | 12 | 8 |
| Boost Clock Mhz | 4400 | 5200 | 4400 | 3900 | 3060 | 2700 |
| L3 Cache Mb | 19.25 | 96 | 256 | 37.5 | 12 | 12 |
| Tdp W | 165 | 120 | 360 | 195 | 95 | 80 |
| Socket | LGA 2066 | AM5 | AMD Socket SP5 | LGA 4677 | LGA1366 | LGA 1366 |
| Integrated Graphics | - | AMD Radeon Graphics | - | No | - | - |
| 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 |
| SMC EPYC 9555P Compare | 99.3 | 76.8 | 96.7 | 90.6 | 99.5 | 1.5 | 88.7 |
| HP Xeon P67080-B21 Compare | 91.7 | 76.8 | 90.6 | 78 | 90.8 | 1.5 | 80.3 |
| fosa1 fosa4ycn78izud Compare | 25.7 | 20.1 | 64.8 | 24.5 | 24.5 | 65 | 36.1 |
| Dell Xeon 641329687376-cr Compare | 30.4 | 41.4 | 17.5 | 36.4 | 31.6 | 10.5 | 23.8 |
Price
Value & Pricing
From MX$11,260
Amazon 1 offer From MX$11,260
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
