Intel Core i5-12400 vs Intel Core i7-6700K
56.4Single-core30.7
41.7Multi-core27
46.5Gamingspec-based25.6
18 spec wins — Intel Core i5-124002 spec wins — Intel Core i7-6700K
InnoReviews verdict
Intel Core i5-12400 wins this desktop processor face-off, 47.3 to 27.8, pulling ahead mainly in single-core (+26) and multi-core (+15). Intel Core i7-6700K 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 31
- Stronger multi-core score: 42 vs 27
- 650% higher L2 cache: 8 MB vs 1 MB
- 138% higher Cinebench R23 (multi): 11,900 vs 5,000
- 125% higher L3 cache: 18 MB vs 8 MB
- Lower launch price: $192 vs $339
Reasons to pick the Intel Core i7-6700K
- 60% higher Base clock: 4 GHz vs 2.5 GHz
- Has Unlocked multiplier — the other doesn't
General
| Spec | Intel Core i5-12400 | Intel Core i7-6700K |
|---|---|---|
| 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 i7-6700K |
|---|---|---|
| Cores | 6+50% | 4 |
| Performance cores | 6+50% | 4 |
| Efficiency cores | 0 | 0 |
| Threads | 12+50% | 8 |
| Base clock | 2.5 GHz | 4 GHz+60% |
| Boost clock | 4.4 GHz+5% | 4.2 GHz |
| L2 cache | 8 MB+650% | 1 MB |
| L3 cache | 18 MB+125% | 8 MB |
Integrated GPU
| Spec | Intel Core i5-12400 | Intel Core i7-6700K |
|---|---|---|
| iGPU | Intel UHD Graphics 730 | Intel HD Graphics 530 |
| iGPU clock | 1,450 MHz | 1,150 MHz |
Memory
| Spec | Intel Core i5-12400 | Intel Core i7-6700K |
|---|---|---|
| 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 i7-6700K |
|---|---|---|
| PCIe version | 5+67% | 3 |
| CPU PCIe lanes | 20+25% | 16 |
Benchmarks
| Spec | Intel Core i5-12400 | Intel Core i7-6700K |
|---|---|---|
| Geekbench 6 (single) | 2,100+48%Top 46% | 1,420Bottom 25% |
| Geekbench 6 (multi) | 9,400+102%Bottom 47% | 4,650Bottom 18% |
| Cinebench R23 (single) | 1,690+55%Top 45% | 1,090Bottom 15% |
| Cinebench R23 (multi) | 11,900+138%Bottom 44% | 5,000Bottom 14% |
| PassMark | 19,700+121%Bottom 35% | 8,900Bottom 13% |
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