Intel Core i5-11400 vs Intel Core i5-6600K
38.6Single-core29
36.5Multi-core24
36.7Gaming23.8
18 spec wins — Intel Core i5-114002 spec wins — Intel Core i5-6600K
InnoReviews verdict
Intel Core i5-11400 wins this desktop processor face-off, 37.2 to 25.4, pulling ahead mainly in gaming (+13) and Multi-core (+13). Intel Core i5-6600K 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 i5-11400
- Stronger Single-core score: 39 vs 29
- Stronger Multi-core score: 37 vs 24
- Stronger gaming score: 37 vs 24
- 200% higher threads: 12 vs 4
- 200% higher L2 cache: 3 MB vs 1 MB
- Lower launch price: $182 vs $242
Reasons to pick the Intel Core i5-6600K
- 35% higher Base clock: 3.5 GHz vs 2.6 GHz
- Has Unlocked multiplier — the other doesn't
General
| Spec | Intel Core i5-11400 | Intel Core i5-6600K |
|---|---|---|
| Announced | 2021 | 2015 |
| Socket | LGA1200 | LGA1151 |
| Process | 14 nm | 14 nm |
| Base TDP | 65 W+29% | 91 W |
| Max turbo power | 154 W | — |
| Unlocked multiplier | No | Yes |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | Intel Core i5-11400 | Intel Core i5-6600K |
|---|---|---|
| Cores | 6+50% | 4 |
| Performance cores | 6+50% | 4 |
| Efficiency cores | 0 | 0 |
| Threads | 12+200% | 4 |
| Base clock | 2.6 GHz | 3.5 GHz+35% |
| Boost clock | 4.4 GHz+13% | 3.9 GHz |
| L2 cache | 3 MB+200% | 1 MB |
| L3 cache | 12 MB+100% | 6 MB |
Integrated GPU
| Spec | Intel Core i5-11400 | Intel Core i5-6600K |
|---|---|---|
| iGPU | Intel UHD Graphics 730 | Intel HD Graphics 530 |
| iGPU clock | 1,300 MHz+13% | 1,150 MHz |
Memory
| Spec | Intel Core i5-11400 | Intel Core i5-6600K |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-2133 / DDR3L-1600 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-11400 | Intel Core i5-6600K |
|---|---|---|
| PCIe version | 4+33% | 3 |
| CPU PCIe lanes | 20+25% | 16 |
Benchmarks
| Spec | Intel Core i5-11400 | Intel Core i5-6600K |
|---|---|---|
| Geekbench 6 (single) | 1,560+20%Top 58% | 1,300Top 77% |
| Geekbench 6 (multi) | 6,300+88%Top 66% | 3,350Top 90% |
| Cinebench R23 (single) | 1,330+20%Top 54% | 1,110Top 78% |
| Cinebench R23 (multi) | 10,200+152%Top 55% | 4,050Top 90% |
| PassMark | 17,000+166%Top 58% | 6,400Top 89% |
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