Intel Core i7-7700K vs Intel Core i5-12400F

The Intel Core i7-7700K, introduced in the first quarter of 2017 (Kaby Lake S), was aimed at enthusiasts.

Manufactured using the 14 nm process, it features 4 cores and 8 threads. It offers 8 MB of Level 3 Cache, supports PCIe 3.0 (38 GB/s memory bandwidth), and integrates an Intel HD Graphics 630. The Intel Core i5-12400F, launched in the first quarter of 2022 (Alder Lake S), targets the mainstream market for gaming and productivity.

Manufactured using the more efficient 10 nm process, it has 6 cores and 12 threads. Equipped with 8 MB of Level 2 and 18 MB of Level 3 Cache, it supports PCIe 5.0 (77 GB/s memory bandwidth). An integrated graphics unit is missing in this "F" model. In a performance comparison, the Intel Core i5-12400F shows significantly higher single-core and multi-core performance than the Intel Core i7-7700K, due to its newer architecture, more cores, and more advanced manufacturing.

In gaming scenarios, the Intel Core i5-12400F delivers superior frame rates thanks to higher instructions per clock and optimized architecture. Regarding power consumption and TDP, the Intel Core i5-12400F is more efficient per unit of performance. The Intel Core i7-7700K is an older model with a lower price-performance ratio on the used market.

The Intel Core i5-12400F, as a more current processor, offers modern performance at an attractive price. For most modern applications and gaming, the Intel Core i5-12400F is clearly the better choice. The Intel Core i7-7700K is only an option for budget-conscious upgrades on an existing, compatible motherboard.