Intel Core i7 7820X 8-core FCLGA2066
The 8-core, 16-thread design with a 4.3GHz boost clock and unlocked multiplier on the LGA 2066 socket provides strong multi-threaded throughput for its era. Its 140W TDP and quad-channel memory support offer a capable foundation for a high-end desktop workstation without stepping up to a more expensive platform. This processor is best for budget-conscious PC builders needing to upgrade an existing X299 system for moderate rendering and virtualization tasks.
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong ai (76th percentile) 76th
- Strong multi thread (73rd percentile) 73rd
- Strong single thread (71st percentile) 71st
Cons
- Below average platform (18th percentile)
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 4 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Processor
| Brand | Intel |
| Series | Core i7 |
| Model | 7820X |
| Class | desktop |
Cores & Clocks
| Cores | 8 |
| Threads | 16 |
| Base Clock | 3600 |
| Boost Clock | 4300 |
Cache
| L2 Cache | 8 |
| L3 Cache | 11 MB |
Performance
| PassMark Multi | 17148 |
| PassMark Single | 2522 |
Platform & Power
| Socket | FCLGA2066 |
| TDP | 140 |
| Unlocked | Yes |
vs Competition
| Spec | Intel Core i7 7820X | AMD Ryzen 7 9800X3D | SMC EPYC 9555P | fosa1 fosa4ycn78izud | Dell Xeon 641329687376-cr | MSI MAG X870E Tomahawk WiFi |
|---|---|---|---|---|---|---|
| Cores | 8 | 8 | 64 | 6 | 4 | - |
| Threads | 16 | 16 | 128 | 12 | 8 | - |
| Boost Clock Mhz | 4300 | 5200 | 4400 | 3060 | 2700 | - |
| L3 Cache Mb | 11 | 96 | 256 | 12 | 12 | - |
| Tdp W | 140 | 120 | 360 | 95 | 80 | - |
| Socket | FCLGA2066 | AM5 | AMD Socket SP5 | LGA1366 | LGA 1366 | AM5 |
| Integrated Graphics | - | AMD Radeon Graphics | - | - | - | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Social Proof | Single Thread |
|---|---|---|---|---|---|---|---|
| Intel Core i7 7820X | 75.5 | 62.2 | 17.5 | 62.1 | 72.7 | 48.5 | 70.5 |
| 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 |
| 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 |
| MSI MAG X870E Tomahawk WiFi Compare | 3.3 | 20.1 | 90.9 | 3.9 | 3.9 | 90.7 | 3.1 |
Price
Value & Pricing
We started tracking prices for this product on Jun 14, 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.
