Intel Core i5-10400 vs Intel Core i7-12700K
30.4Single-core69.4
32.2Multi-core61.5
36Gaming58.1
2 spec wins — Intel Core i5-1040020 spec wins — Intel Core i7-12700K
InnoReviews verdict
Intel Core i7-12700K wins this desktop processor face-off, 63 to 32.6, pulling ahead mainly in Single-core (+39) and Multi-core (+29). Intel Core i5-10400 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 i5-10400
- 48% lower Base TDP: 65 W vs 125 W
- Has Cooler included — the other doesn't
- Lower launch price: $182 vs $409
Reasons to pick the Intel Core i7-12700K
- Stronger Single-core score: 69 vs 30
- Stronger Multi-core score: 62 vs 32
- Stronger gaming score: 58 vs 36
- 700% higher L2 cache: 12 MB vs 2 MB
- 180% higher Cinebench R23 (multi): 22,400 vs 8,000
General
| Spec | Intel Core i5-10400 | Intel Core i7-12700K |
|---|---|---|
| Announced | 2020 | 2021 |
| Socket | LGA1200 | LGA1700 |
| Process | 14 nm | 10 nm+29% |
| Base TDP | 65 W+48% | 125 W |
| Max turbo power | 134 W | 190 W+42% |
| Unlocked multiplier | No | Yes |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | Intel Core i5-10400 | Intel Core i7-12700K |
|---|---|---|
| Cores | 6 | 12+100% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | 0 | 4 |
| Threads | 12 | 20+67% |
| Base clock | 2.9 GHz | 3.6 GHz+24% |
| Boost clock | 4.3 GHz | 5 GHz+16% |
| L2 cache | 2 MB | 12 MB+700% |
| L3 cache | 12 MB | 25 MB+108% |
Integrated GPU
| Spec | Intel Core i5-10400 | Intel Core i7-12700K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | Intel UHD Graphics 770 |
| iGPU clock | 1,100 MHz | 1,500 MHz+36% |
Memory
| Spec | Intel Core i5-10400 | Intel Core i7-12700K |
|---|---|---|
| Memory support | DDR4-2666 | DDR5-4800 / DDR4-3200 |
| Max memory | 128 GB | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-10400 | Intel Core i7-12700K |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 20+25% |
Benchmarks
| Spec | Intel Core i5-10400 | Intel Core i7-12700K |
|---|---|---|
| Geekbench 6 (single) | 1,390Top 73% | 2,500+80%Top 25% |
| Geekbench 6 (multi) | 5,800Top 70% | 14,300+147%Top 23% |
| Cinebench R23 (single) | 1,100Top 80% | 1,950+77%Top 20% |
| Cinebench R23 (multi) | 8,000Top 71% | 22,400+180%Top 18% |
| PassMark | 12,600Top 73% | 34,500+174%Top 23% |
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