Intel Core i7 3820 4-core LGA2011
The quad-channel DDR3 memory controller and 10MB L3 cache on the 32nm Sandy Bridge-E architecture provide strong memory bandwidth for its era, despite the high 130W TDP. It offers Hyper-Threading across 4 cores with a 3.8GHz boost clock on the LGA 2011 platform, which was once a cost-effective entry into high-end desktop computing. This processor is best for users maintaining legacy LGA 2011 workstations for basic productivity tasks, not modern efficiency-sensitive workloads.
Snapshot
Pros & Cons
Pros
- Strong social proof (72nd percentile) 72nd
- Strong platform (66th percentile) 66th
Cons
- Below average feature (20th 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 13 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 | 3820 |
| Codename | Sandy Bridge-E |
| Class | desktop |
| Process | 32 |
Cores & Clocks
| Cores | 4 |
| Threads | 8 |
| Base Clock | 3600 |
| Boost Clock | 3800 |
Cache
| L2 Cache | 1 |
| L3 Cache | 10 MB |
Performance
| PassMark Multi | 5790 |
| PassMark Single | 1739 |
Memory
| Memory Type | DDR3 |
| Max Speed | 1600 |
| Channels | 4 |
Platform & Power
| Socket | LGA 2011 |
| TDP | 130 |
vs Competition
| Spec | Intel Core i7 3820 | AMD Ryzen 9 7900X | Dell Xeon E5-2637 V2 | WowWee Xeon Gold 5120 | be quiet! Ryzen 3 Dark Rock Pro 5 | DAKboard CPU v4 |
|---|---|---|---|---|---|---|
| Cores | 4 | 12 | 32 | 14 | 4 | 4 |
| Threads | 8 | 24 | 64 | 28 | 4 | - |
| Boost Clock Mhz | 3800 | 5600 | 3500 | 3200 | 3400 | - |
| L3 Cache Mb | 10 | 64 | 256 | 19.25 | 8 | - |
| Tdp W | 130 | 170 | 200 | 105 | 270 | - |
| Socket | LGA 2011 | AM5 | Socket A/Socket 462 (PGA 462) | LGA 3647 | AM4 | BGA |
| Integrated Graphics | - | AMD Radeon Graphics | No | - | - | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Social Proof | Single Thread |
|---|---|---|---|---|---|---|---|
| Intel Core i7 3820 | 47.6 | 20.2 | 66.3 | 36.7 | 42.8 | 72.3 | 43.8 |
| AMD Ryzen 9 7900X Compare | 93.6 | 93.3 | 94.3 | 85.2 | 93.7 | 96.6 | 94.1 |
| Dell Xeon E5-2637 V2 Compare | 99.1 | 90.7 | 76.2 | 97.4 | 99.2 | 1.5 | 89.3 |
| WowWee Xeon Gold 5120 Compare | 73.8 | 20.2 | 17.7 | 72.8 | 74.4 | 38.3 | 44.4 |
| be quiet! Ryzen 3 Dark Rock Pro 5 Compare | 47.9 | 62.3 | 60.7 | 32.8 | 44.4 | 90.7 | 50.5 |
| DAKboard CPU v4 Compare | 13 | 20.2 | 17.7 | 12.3 | 17.4 | 59.8 | 20.4 |
Price
Value & Pricing
Amazon 1 offer From CA$610
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
