Intel Core i5 8400 6-core LGA1200
A 65W TDP and 2.8GHz base clock make this 6-core, 6-thread processor a reliable choice for cool and quiet office builds. Its integrated UHD Graphics 630 handles display output without a dedicated GPU, keeping system costs low. This chip is best for budget-conscious users building a home office PC for web browsing, document editing, and media streaming.
Cores 6
Threads 6
Boost Clock 4000 MHz
L3 Cache 9 MB
TDP 65 W
Socket LGA1151
Integrated Graphics Intel UHD Graphics 630
51 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong efficiency (66th percentile) 66th
- Strong single thread (66th percentile) 66th
Cons
- Below average social proof (2nd percentile)
The proof
Performance
Specifications
Full Specifications
Processor
| Brand | Intel |
| Series | Core i5 |
| Model | 8400 |
| Class | desktop |
Cores & Clocks
| Cores | 6 |
| Threads | 6 |
| Base Clock | 2800 |
| Boost Clock | 4000 |
Cache
| L2 Cache | 1.5 |
| L3 Cache | 9 MB |
Performance
| PassMark Multi | 9232 |
| PassMark Single | 2365 |
Memory
| Memory Type | DDR4 |
| Max Memory | 64 |
Platform & Power
| Socket | LGA1151 |
| PCIe | 3 |
| PCIe Lanes | 16 |
| TDP | 65 |
| Max Turbo Power | 65 |
| Unlocked | No |
Graphics & AI
| Integrated Graphics | Intel UHD Graphics 630 |
vs Competition
| Spec | Intel Core i5 8400 | AMD Ryzen 7 9800X3D | SMC EPYC 9555P | Dell Inspiron 7700 | WowWee Xeon Gold 5120 | CISCO SYSTEMS - ENTERPRISE Xeon E5-2699v4 |
|---|---|---|---|---|---|---|
| Cores | 6 | 8 | 64 | 10 | 14 | 22 |
| Threads | 6 | 16 | 128 | 12 | 28 | 12 |
| Boost Clock Mhz | 4000 | 5200 | 4400 | 4700 | 3200 | 3600 |
| L3 Cache Mb | 9 | 96 | 256 | 12 | 19.25 | 39 |
| Tdp W | 65 | 120 | 360 | 15 | 105 | - |
| Socket | LGA1151 | AM5 | AMD Socket SP5 | Intel BGA 1744 | LGA 3647 | LGA2011-3 |
| Integrated Graphics | Intel UHD Graphics 630 | AMD Radeon Graphics | - | Iris Xe 96EU | - | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Social Proof | Single Thread |
|---|---|---|---|---|---|---|---|
| Intel Core i5 8400 | 62.8 | 54.4 | 45.5 | 66.4 | 60 | 1.5 | 66.4 |
| 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 |
| Dell Inspiron 7700 Compare | 62.3 | 69.4 | 70.8 | 99.4 | 66.4 | 27.4 | 82 |
| WowWee Xeon Gold 5120 Compare | 73.7 | 20.1 | 17.5 | 72.6 | 74.3 | 38.3 | 44.2 |
| CISCO SYSTEMS - ENTERPRISE Xeon E5-2699v4 Compare | 44.2 | 46.1 | 17.5 | 29.7 | 52.4 | 51.2 | 9.9 |
Price
Value & Pricing
We started tracking prices for this product on Jun 13, 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.
