Intel Core i5-10400F vs Intel Core i9-9900K
28.6Single-core40.4
32.5Multi-core41.2
36Gamingspec-based47.4
2 spec wins — Intel Core i5-10400F10 spec wins — Intel Core i9-9900K
InnoReviews verdict
Intel Core i9-9900K wins this desktop processor face-off, 42.5 to 32.2, pulling ahead mainly in single-core (+12) and multi-core (+9). Intel Core i5-10400F 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 i5-10400F
- 32% lower Base TDP: 65 W vs 95 W
- Lower launch price: $173 vs $488
Reasons to pick the Intel Core i9-9900K
- Stronger single-core score: 40 vs 29
- Stronger multi-core score: 41 vs 33
- 54% higher PassMark: 18,600 vs 12,094
- 51% higher Cinebench R23 (multi): 12,400 vs 8,219
- 33% higher cores: 8 vs 6
General
| Spec | Intel Core i5-10400F | Intel Core i9-9900K |
|---|---|---|
| Announced | 2020 | 2018 |
| Socket | LGA1200 | LGA1151-v2 |
| Process | 14 nm | 14 nm |
| Base TDP | 65 W+32% | 95 W |
| Max turbo power | — | 119 W |
| Unlocked multiplier | No | Yes |
| Cooler included | — | No |
Cores & Clocks
| Spec | Intel Core i5-10400F | Intel Core i9-9900K |
|---|---|---|
| Cores | 6 | 8+33% |
| Performance cores | — | 8 |
| Efficiency cores | — | 0 |
| Threads | 12 | 16+33% |
| Base clock | 2.9 GHz | 3.6 GHz+24% |
| Boost clock | 4.3 GHz | 5 GHz+16% |
| L2 cache | 2 MB | 2 MB+33% |
| L3 cache | 12 MB | 16 MB+33% |
Integrated GPU
| Spec | Intel Core i5-10400F | Intel Core i9-9900K |
|---|---|---|
| iGPU | — | Intel UHD Graphics 630 |
| iGPU clock | — | 1,200 MHz |
Memory
| Spec | Intel Core i5-10400F | Intel Core i9-9900K |
|---|---|---|
| Memory support | DDR4-2666 | DDR4-2666 |
| Max memory | 128 GB | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-10400F | Intel Core i9-9900K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i5-10400F | Intel Core i9-9900K |
|---|---|---|
| Geekbench 6 (single) | — | 1,720Bottom 42% |
| Geekbench 6 (multi) | — | 8,800Bottom 45% |
| Cinebench R23 (single) | 1,114Bottom 19% | 1,280+15%Bottom 32% |
| Cinebench R23 (multi) | 8,219Bottom 27% | 12,400+51%Bottom 47% |
| PassMark | 12,094Bottom 19% | 18,600+54%Bottom 32% |
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