Intel Core i5-12400 vs Intel Core i5-6600K
56.4Single-core29
41.7Multi-core24
46.5Gaming23.8
19 spec wins — Intel Core i5-124002 spec wins — Intel Core i5-6600K
InnoReviews verdict
Intel Core i5-12400 wins this desktop processor face-off, 47.3 to 25.4, pulling ahead mainly in Single-core (+27) and gaming (+23). 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 i5-12400
- Stronger Single-core score: 56 vs 29
- Stronger Multi-core score: 42 vs 24
- Stronger gaming score: 47 vs 24
- 650% higher L2 cache: 8 MB vs 1 MB
- 208% higher PassMark: 19,700 vs 6,400
- Lower launch price: $192 vs $242
Reasons to pick the Intel Core i5-6600K
- 40% higher Base clock: 3.5 GHz vs 2.5 GHz
- Has Unlocked multiplier — the other doesn't
General
| Spec | Intel Core i5-12400 | Intel Core i5-6600K |
|---|---|---|
| Announced | 2022 | 2015 |
| Socket | LGA1700 | LGA1151 |
| Process | 10 nm+29% | 14 nm |
| Base TDP | 65 W+29% | 91 W |
| Max turbo power | 117 W | — |
| Unlocked multiplier | No | Yes |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | Intel Core i5-12400 | Intel Core i5-6600K |
|---|---|---|
| Cores | 6+50% | 4 |
| Performance cores | 6+50% | 4 |
| Efficiency cores | 0 | 0 |
| Threads | 12+200% | 4 |
| Base clock | 2.5 GHz | 3.5 GHz+40% |
| Boost clock | 4.4 GHz+13% | 3.9 GHz |
| L2 cache | 8 MB+650% | 1 MB |
| L3 cache | 18 MB+200% | 6 MB |
Integrated GPU
| Spec | Intel Core i5-12400 | Intel Core i5-6600K |
|---|---|---|
| iGPU | Intel UHD Graphics 730 | Intel HD Graphics 530 |
| iGPU clock | 1,450 MHz+26% | 1,150 MHz |
Memory
| Spec | Intel Core i5-12400 | Intel Core i5-6600K |
|---|---|---|
| Memory support | DDR5-4800 / DDR4-3200 | DDR4-2133 / DDR3L-1600 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-12400 | Intel Core i5-6600K |
|---|---|---|
| PCIe version | 5+67% | 3 |
| CPU PCIe lanes | 20+25% | 16 |
Benchmarks
| Spec | Intel Core i5-12400 | Intel Core i5-6600K |
|---|---|---|
| Geekbench 6 (single) | 2,100+62%Top 32% | 1,300Top 77% |
| Geekbench 6 (multi) | 9,400+181%Top 43% | 3,350Top 90% |
| Cinebench R23 (single) | 1,690+52%Top 33% | 1,110Top 78% |
| Cinebench R23 (multi) | 11,900+194%Top 47% | 4,050Top 90% |
| PassMark | 19,700+208%Top 49% | 6,400Top 89% |
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