Intel Core i5-8400 vs Intel Core i7-6700K
The Intel Core i5-8400 is the faster processor, scoring 22/100 on our gaming benchmark versus 20/100 for the Intel Core i7-6700K — roughly 10% faster. That said, the gap is small, so the cheaper option is often the smarter buy.
Intel Core i5-8400
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Intel Core i7-6700K
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Specs compared
| Spec | Intel Core i5-8400 | Intel Core i7-6700K |
|---|---|---|
| Gaming score | 22/100 | 20/100 |
| Cores / Threads | 6 / 6 | 4 / 8 |
| Boost clock | 4.00 GHz | 4.20 GHz |
| TDP | 65 W | 91 W |
| Socket | LGA1151 | LGA1151 |
| MSRP | $69.00 | $69.00 |
Intel Core i5-8400 vs Intel Core i7-6700K: which should you buy?
The Intel Core i5-8400 is the faster processor, scoring 22/100 on our gaming benchmark versus 20/100 for the Intel Core i7-6700K — roughly 10% faster. That said, the gap is small, so the cheaper option is often the smarter buy. For your specific games and resolution, run both through our comparison tool, check pairing with the bottleneck calculator, or see where each lands on the tier list.
Frequently Asked Questions
Is the Intel Core i5-8400 better than the Intel Core i7-6700K?
The Intel Core i5-8400 is faster for gaming, scoring 22/100 versus 20/100 for the Intel Core i7-6700K (about 10% faster).
Should I buy the Intel Core i5-8400 or the Intel Core i7-6700K?
For raw gaming performance, choose the Intel Core i5-8400. If it costs notably more for only a small gain, the Intel Core i7-6700K can be the better value. Check current prices before deciding.
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