Intel Core i5-10400 vs Intel Core i5-8600K
30.4Single-core34.5
32.2Multi-core30
36Gaming29.1
9 spec wins — Intel Core i5-104005 spec wins — Intel Core i5-8600K
InnoReviews verdict
Intel Core i5-10400 wins this desktop processor face-off, 32.6 to 31.1, pulling ahead mainly in gaming (+7) and Multi-core (+2). Intel Core i5-8600K 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 i5-10400
- Stronger gaming score: 36 vs 29
- 100% higher threads: 12 vs 6
- 100% higher Max memory: 128 GB vs 64 GB
- 33% higher L3 cache: 12 MB vs 9 MB
- 32% lower Base TDP: 65 W vs 95 W
- Lower launch price: $182 vs $257
Reasons to pick the Intel Core i5-8600K
- Stronger Single-core score: 35 vs 30
- 24% higher Base clock: 3.6 GHz vs 2.9 GHz
- 10% higher Cinebench R23 (single): 1,210 vs 1,100
- Has Unlocked multiplier — the other doesn't
General
| Spec | Intel Core i5-10400 | Intel Core i5-8600K |
|---|---|---|
| Announced | 2020 | 2017 |
| Socket | LGA1200 | LGA1151-v2 |
| Process | 14 nm | 14 nm |
| Base TDP | 65 W+32% | 95 W |
| Max turbo power | 134 W | — |
| Unlocked multiplier | No | Yes |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | Intel Core i5-10400 | Intel Core i5-8600K |
|---|---|---|
| Cores | 6 | 6 |
| Performance cores | 6 | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 12+100% | 6 |
| Base clock | 2.9 GHz | 3.6 GHz+24% |
| Boost clock | 4.3 GHz | 4.3 GHz |
| L2 cache | 2 MB | 2 MB |
| L3 cache | 12 MB+33% | 9 MB |
Integrated GPU
| Spec | Intel Core i5-10400 | Intel Core i5-8600K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | Intel UHD Graphics 630 |
| iGPU clock | 1,100 MHz | 1,150 MHz+5% |
Memory
| Spec | Intel Core i5-10400 | Intel Core i5-8600K |
|---|---|---|
| Memory support | DDR4-2666 | DDR4-2666 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-10400 | Intel Core i5-8600K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i5-10400 | Intel Core i5-8600K |
|---|---|---|
| Geekbench 6 (single) | 1,390 | 1,480+6% |
| Geekbench 6 (multi) | 5,800+7% | 5,400 |
| Cinebench R23 (single) | 1,100 | 1,210+10% |
| Cinebench R23 (multi) | 8,000+18% | 6,800 |
| PassMark | 12,600+19% | 10,600 |
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