Intel Core i7 X-Series 7820X 8-core LGA2066
The 8-core, 16-thread design with a 4.3GHz boost clock and quad-channel DDR4-2666 memory support provides strong multi-threaded throughput for its era. Its unlocked multiplier on the LGA 2066 socket allows for overclocking headroom, paired with a high 4.7-star refurbished rating that signals reliable used availability. This processor is best for budget-conscious builders upgrading an X299 system for moderate 1080p gaming and threaded productivity tasks.
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong platform (79th percentile) 79th
- Strong social proof (79th percentile) 79th
- Strong ai (76th percentile) 76th
- Strong multi thread (73rd percentile) 73rd
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 8 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 |
| Codename | Skylake X |
| Class | desktop |
| Process | 14 |
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 |
Memory
| Memory Type | DDR4-2666 |
| Max Speed | 2666 |
| Channels | 4 |
Platform & Power
| Socket | LGA 2066 |
| PCIe | 3 |
| PCIe Lanes | 28 |
| TDP | 140 |
| Unlocked | Yes |
vs Competition
| Spec | Intel Core i7 X-Series 7820X | AMD Ryzen 7 9800X3D | Dell Xeon E5-2637 V2 | SMC EPYC 9555P | CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor | HP Xeon P67080-B21 |
|---|---|---|---|---|---|---|
| Cores | 8 | 8 | 32 | 64 | 24 | 16 |
| Threads | 16 | 16 | 64 | 128 | 48 | 32 |
| Boost Clock Mhz | 4300 | 5200 | 3500 | 4400 | 4000 | 3900 |
| L3 Cache Mb | 11 | 96 | 256 | 256 | 128 | 37.5 |
| Tdp W | 140 | 120 | 200 | 360 | 200 | 195 |
| Socket | LGA 2066 | AM5 | Socket A/Socket 462 (PGA 462) | AMD Socket SP5 | AMD Socket SP3 | LGA 4677 |
| Integrated Graphics | - | AMD Radeon Graphics | No | - | - | No |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Social Proof | Single Thread |
|---|---|---|---|---|---|---|---|
| Intel Core i7 X-Series 7820X | 75.6 | 62.3 | 79.3 | 62.3 | 72.8 | 78.7 | 70.7 |
| AMD Ryzen 7 9800X3D Compare | 91.3 | 98.5 | 95.1 | 87.7 | 90 | 96.6 | 95.7 |
| Dell Xeon E5-2637 V2 Compare | 99.1 | 90.7 | 76.2 | 97.4 | 99.2 | 1.5 | 89.3 |
| SMC EPYC 9555P Compare | 99.3 | 76.9 | 96.8 | 90.7 | 99.5 | 1.5 | 88.7 |
| CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor Compare | 94.8 | 76.9 | 84.1 | 83.8 | 94.4 | 38.3 | 80.2 |
| HP Xeon P67080-B21 Compare | 91.7 | 76.9 | 90.7 | 78.2 | 90.9 | 1.5 | 80.4 |
Price
Value & Pricing
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.