Intel Core i5-8600K vs Intel Core i5-9400F
34.5Single-core30.1
30Multi-core27.9
29.1Gaming27.8
8 spec wins — Intel Core i5-8600K4 spec wins — Intel Core i5-9400F
InnoReviews verdict
Intel Core i5-8600K wins this desktop processor face-off, 31.1 to 28.5, pulling ahead mainly in Single-core (+4) and Multi-core (+2). Intel Core i5-9400F 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 i5-8600K
- Stronger Single-core score: 35 vs 30
- 24% higher Base clock: 3.6 GHz vs 2.9 GHz
- 20% higher Geekbench 6 (multi): 5,400 vs 4,500
- 15% higher Cinebench R23 (multi): 6,800 vs 5,900
- 14% higher PassMark: 10,600 vs 9,300
Reasons to pick the Intel Core i5-9400F
- 100% higher Max memory: 128 GB vs 64 GB
- 32% lower Base TDP: 65 W vs 95 W
- Has Cooler included — the other doesn't
- Lower launch price: $157 vs $257
General
| Spec | Intel Core i5-8600K | Intel Core i5-9400F |
|---|---|---|
| Announced | 2017 | 2019 |
| Socket | LGA1151-v2 | LGA1151-v2 |
| Process | 14 nm | 14 nm |
| Base TDP | 95 W | 65 W+32% |
| Unlocked multiplier | Yes | No |
| Cooler included | No | Yes |
Cores & Clocks
| Spec | Intel Core i5-8600K | Intel Core i5-9400F |
|---|---|---|
| Cores | 6 | 6 |
| Performance cores | 6 | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 6 | 6 |
| Base clock | 3.6 GHz+24% | 2.9 GHz |
| Boost clock | 4.3 GHz+5% | 4.1 GHz |
| L2 cache | 2 MB | 2 MB |
| L3 cache | 9 MB | 9 MB |
Integrated GPU
| Spec | Intel Core i5-8600K | Intel Core i5-9400F |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | — |
| iGPU clock | 1,150 MHz | — |
Memory
| Spec | Intel Core i5-8600K | Intel Core i5-9400F |
|---|---|---|
| Memory support | DDR4-2666 | DDR4-2666 |
| Max memory | 64 GB | 128 GB+100% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-8600K | Intel Core i5-9400F |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i5-8600K | Intel Core i5-9400F |
|---|---|---|
| Geekbench 6 (single) | 1,480+6%Top 69% | 1,400Top 72% |
| Geekbench 6 (multi) | 5,400+20%Top 71% | 4,500Top 82% |
| Cinebench R23 (single) | 1,210+12%Top 71% | 1,080Top 83% |
| Cinebench R23 (multi) | 6,800+15%Top 73% | 5,900Top 79% |
| PassMark | 10,600+14%Top 77% | 9,300Top 79% |
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