Intel Core i7 X-Series 7800X 6-core LGA2066
The 6-core, 12-thread Skylake-X architecture on the LGA 2066 socket provides 28 PCI Express lanes and Intel Optane Memory readiness, making it a capable platform for high-bandwidth storage and multi-GPU setups. Its positioning on the X299 chipset offers quad-channel DDR4 memory support, which was a differentiator for memory-intensive tasks at its release. This processor is best for budget-conscious system builders seeking a used entry point into the HEDT platform for older rendering workstations or multi-card configurations, not modern gaming or AI workloads.
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong feature (83rd percentile) 83rd
- Strong platform (83rd percentile) 83rd
- Strong social proof (81st percentile) 81st
- Strong ai (71st percentile) 71st
Cons
- Below average user sentiment (22nd 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 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 | 7800X |
| Codename | Skylake X |
| Class | desktop |
| Process | 14 |
Cores & Clocks
| Cores | 6 |
| P-cores | 8 |
| Threads | 12 |
| Base Clock | 3500 |
| Boost Clock | 4000 |
Cache
| L2 Cache | 6 |
| L3 Cache | 8.25 MB |
Performance
| PassMark Multi | 12999 |
| PassMark Single | 2378 |
Memory
| Memory Type | DDR4 |
| Max Speed | 2400 |
| Channels | 4 |
| ECC | Yes |
Platform & Power
| Socket | LGA 2066 |
| PCIe | 3 |
| PCIe Lanes | 28 |
| TDP | 140 |
| Unlocked | Yes |
Graphics & AI
| Integrated Graphics | Radeon Graphics |
vs Competition
| Spec | Intel Core i7 X-Series 7800X | AMD Ryzen 7 9800X3D | SMC EPYC 9555P | HP Xeon P67080-B21 | WowWee Xeon Gold 5120 | fosa1 fosa4ycn78izud |
|---|---|---|---|---|---|---|
| Cores | 6 | 8 | 64 | 16 | 14 | 6 |
| Threads | 12 | 16 | 128 | 32 | 28 | 12 |
| Boost Clock Mhz | 4000 | 5200 | 4400 | 3900 | 3200 | 3060 |
| L3 Cache Mb | 8.25 | 96 | 256 | 37.5 | 19.25 | 12 |
| Tdp W | 140 | 120 | 360 | 195 | 105 | 95 |
| Socket | LGA 2066 | AM5 | AMD Socket SP5 | LGA 4677 | LGA 3647 | LGA1366 |
| Integrated Graphics | Radeon Graphics | AMD Radeon Graphics | - | No | - | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | User Sentiment | Efficiency | Multi Thread | Social Proof | Single Thread |
|---|---|---|---|---|---|---|---|---|
| Intel Core i7 X-Series 7800X | 70.5 | 83.3 | 83.1 | 21.9 | 54.6 | 66.7 | 80.9 | 66.6 |
| AMD Ryzen 7 9800X3D Compare | 91.2 | 98.4 | 95.1 | 92.6 | 87.5 | 90 | 96.5 | 95.6 |
| SMC EPYC 9555P Compare | 99.3 | 76.8 | 96.7 | 0 | 90.6 | 99.5 | 1.5 | 88.7 |
| HP Xeon P67080-B21 Compare | 91.7 | 76.8 | 90.6 | 0 | 78 | 90.8 | 1.5 | 80.3 |
| WowWee Xeon Gold 5120 Compare | 73.7 | 20.1 | 17.5 | 0 | 72.6 | 74.3 | 38.3 | 44.2 |
| fosa1 fosa4ycn78izud Compare | 25.7 | 20.1 | 64.8 | 0 | 24.5 | 24.5 | 65 | 36.1 |
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.