Intel Core i3-8100 vs Intel Core i5-8400
26.3Single-core31.1
23.7Multi-core28.6
21.9Gamingspec-based27.2
1 spec wins — Intel Core i3-810010 spec wins — Intel Core i5-8400
InnoReviews verdict
Intel Core i5-8400 wins this desktop processor face-off, 29 to 24, pulling ahead mainly in multi-core (+5) and single-core (+5). Intel Core i3-8100 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 i3-8100
- 29% higher Base clock: 3.6 GHz vs 2.8 GHz
- Lower launch price: $117 vs $182
Reasons to pick the Intel Core i5-8400
- Stronger single-core score: 31 vs 26
- Stronger multi-core score: 29 vs 24
- 68% higher Cinebench R23 (multi): 6,400 vs 3,800
- 51% higher PassMark: 9,200 vs 6,100
- 50% higher cores: 6 vs 4
General
| Spec | Intel Core i3-8100 | Intel Core i5-8400 |
|---|---|---|
| Announced | 2017 | 2017 |
| Socket | LGA1151-v2 | LGA1151-v2 |
| Process | 14 nm | 14 nm |
| Base TDP | 65 W | 65 W |
| Unlocked multiplier | No | No |
| Cooler included | Yes | Yes |
Cores & Clocks
| Spec | Intel Core i3-8100 | Intel Core i5-8400 |
|---|---|---|
| Cores | 4 | 6+50% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 0 | 0 |
| Threads | 4 | 6+50% |
| Base clock | 3.6 GHz+29% | 2.8 GHz |
| Boost clock | 3.6 GHz | 4 GHz+11% |
| L2 cache | 1 MB | 2 MB+50% |
| L3 cache | 6 MB | 9 MB+50% |
Integrated GPU
| Spec | Intel Core i3-8100 | Intel Core i5-8400 |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | Intel UHD Graphics 630 |
| iGPU clock | 1,100 MHz | 1,050 MHz |
Memory
| Spec | Intel Core i3-8100 | Intel Core i5-8400 |
|---|---|---|
| Memory support | DDR4-2400 | DDR4-2666 |
| Max memory | 64 GB | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i3-8100 | Intel Core i5-8400 |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i3-8100 | Intel Core i5-8400 |
|---|---|---|
| Geekbench 6 (single) | 1,200Bottom 15% | 1,370+14%Bottom 22% |
| Geekbench 6 (multi) | 3,350Bottom 9% | 4,900+46%Bottom 19% |
| Cinebench R23 (single) | — | 1,150Bottom 22% |
| Cinebench R23 (multi) | 3,800Bottom 8% | 6,400+68%Bottom 19% |
| PassMark | 6,100Bottom 7% | 9,200+51%Bottom 14% |
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