Intel Core i5-8400 vs Intel Core i9-13900K
31.1Single-core84.3
28.6Multi-core92.6
27.2Gamingspec-based71.9
2 spec wins — Intel Core i5-840019 spec wins — Intel Core i9-13900K
InnoReviews verdict
Intel Core i9-13900K wins this desktop processor face-off, 84.9 to 29, pulling ahead mainly in multi-core (+64) and single-core (+53). 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 i5-8400
- 48% lower Base TDP: 65 W vs 125 W
- Has Cooler included — the other doesn't
- Lower launch price: $182 vs $589
Reasons to pick the Intel Core i9-13900K
- Stronger single-core score: 84 vs 31
- Stronger multi-core score: 93 vs 29
- 2033% higher L2 cache: 32 MB vs 2 MB
- 547% higher PassMark: 59,500 vs 9,200
- 517% higher Cinebench R23 (multi): 39,500 vs 6,400
General
| Spec | Intel Core i5-8400 | Intel Core i9-13900K |
|---|---|---|
| Announced | 2017 | 2022 |
| Socket | LGA1151-v2 | LGA1700 |
| Process | 14 nm | 10 nm+29% |
| Base TDP | 65 W+48% | 125 W |
| Max turbo power | — | 253 W |
| Unlocked multiplier | No | Yes |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | Intel Core i5-8400 | Intel Core i9-13900K |
|---|---|---|
| Cores | 6 | 24+300% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | 0 | 16 |
| Threads | 6 | 32+433% |
| Base clock | 2.8 GHz | 3 GHz+7% |
| Boost clock | 4 GHz | 5.8 GHz+45% |
| L2 cache | 2 MB | 32 MB+2033% |
| L3 cache | 9 MB | 36 MB+300% |
Integrated GPU
| Spec | Intel Core i5-8400 | Intel Core i9-13900K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | Intel UHD Graphics 770 |
| iGPU clock | 1,050 MHz | 1,650 MHz |
Memory
| Spec | Intel Core i5-8400 | Intel Core i9-13900K |
|---|---|---|
| Memory support | DDR4-2666 | DDR5-5600 / DDR4-3200 |
| Max memory | 64 GB | 128 GB+100% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-8400 | Intel Core i9-13900K |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 20+25% |
Benchmarks
| Spec | Intel Core i5-8400 | Intel Core i9-13900K |
|---|---|---|
| Geekbench 6 (single) | 1,370Bottom 22% | 2,950+115%Top 23% |
| Geekbench 6 (multi) | 4,900Bottom 19% | 20,500+318%Top 11% |
| Cinebench R23 (single) | 1,150Bottom 22% | 2,250+96%Top 9% |
| Cinebench R23 (multi) | 6,400Bottom 19% | 39,500+517%Top 8% |
| PassMark | 9,200Bottom 14% | 59,500+547%Top 8% |
Related comparisons
Intel Core i5-8400vs Intel Core i7-5820KVSIntel Core i5-8400vs Intel Core i3-10100FVSIntel Core i5-8400vs Intel Core i5-9400FVSIntel Core i5-8400vs Intel Core i7-5930KVSIntel Core i9-13900Kvs Intel Core i9-14900KFVSIntel Core i9-13900Kvs Intel Core Ultra 7 265KFVSIntel Core i9-13900Kvs AMD Ryzen 9 9900XVSIntel Core i9-13900Kvs AMD Ryzen 9 7950XVS