Intel Core i5-11400F vs Intel Core i5-8400
38.6Single-core31.1
36.5Multi-core28.6
36.7Gamingspec-based27.2
13 spec wins — Intel Core i5-11400F1 spec wins — Intel Core i5-8400
InnoReviews verdict
Intel Core i5-11400F wins this desktop processor face-off, 37.2 to 29, pulling ahead mainly in multi-core (+8) and single-core (+8). Intel Core i5-8400 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Intel Core i5-11400F
- Stronger single-core score: 39 vs 31
- Stronger multi-core score: 37 vs 29
- 100% higher threads: 12 vs 6
- 100% higher L2 cache: 3 MB vs 2 MB
- 100% higher Max memory: 128 GB vs 64 GB
- Lower launch price: $157 vs $182
Reasons to pick the Intel Core i5-8400
No decisive spec advantages — this side competes on price and preference.
General
| Spec | Intel Core i5-11400F | Intel Core i5-8400 |
|---|---|---|
| Announced | 2021 | 2017 |
| Socket | LGA1200 | LGA1151-v2 |
| Process | 14 nm | 14 nm |
| Base TDP | 65 W | 65 W |
| Max turbo power | 154 W | — |
| Unlocked multiplier | No | No |
| Cooler included | Yes | Yes |
Cores & Clocks
| Spec | Intel Core i5-11400F | Intel Core i5-8400 |
|---|---|---|
| Cores | 6 | 6 |
| Performance cores | 6 | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 12+100% | 6 |
| Base clock | 2.6 GHz | 2.8 GHz+8% |
| Boost clock | 4.4 GHz+10% | 4 GHz |
| L2 cache | 3 MB+100% | 2 MB |
| L3 cache | 12 MB+33% | 9 MB |
Integrated GPU
| Spec | Intel Core i5-11400F | Intel Core i5-8400 |
|---|---|---|
| iGPU | — | Intel UHD Graphics 630 |
| iGPU clock | — | 1,050 MHz |
Memory
| Spec | Intel Core i5-11400F | Intel Core i5-8400 |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-2666 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-11400F | Intel Core i5-8400 |
|---|---|---|
| PCIe version | 4+33% | 3 |
| CPU PCIe lanes | 20+25% | 16 |
Benchmarks
| Spec | Intel Core i5-11400F | Intel Core i5-8400 |
|---|---|---|
| Geekbench 6 (single) | 1,560+14%Bottom 33% | 1,370Bottom 22% |
| Geekbench 6 (multi) | 6,300+29%Bottom 29% | 4,900Bottom 19% |
| Cinebench R23 (single) | 1,330+16%Bottom 36% | 1,150Bottom 22% |
| Cinebench R23 (multi) | 10,200+59%Bottom 37% | 6,400Bottom 19% |
| PassMark | 17,000+85%Bottom 29% | 9,200Bottom 14% |
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