Intel Core i7-7700 vs Intel Core i7-9700K

The Intel Core i7-7700 (Kaby Lake S) was manufactured by Intel using the 14 nm process and targeted the mainstream desktop market.

It offers 4 cores, 8 threads, and integrated Intel HD Graphics 630. With 8 MB of Level 3 Cache, a maximum memory bandwidth of 38 GB/s, and PCIe 3.0, it was designed for solid performance in everyday applications and was characterized by energy efficiency. The Intel Core i7-9700K (Coffee Lake S Refresh) is an Intel processor, also manufactured using the 14 nm process, aimed at gamers and enthusiasts.

It features 8 cores, 8 threads, Intel UHD Graphics 630, 12 MB of Level 3 Cache, a maximum memory bandwidth of 43 GB/s, and supports PCIe 3.0. As a "K" model, it is unlocked for overclocking. In comparison, the Intel Core i7-9700K delivers noticeably higher single-core performance and significantly better multi-core performance than the Intel Core i7-7700, mainly due to more cores and higher clock frequencies.

For gaming, the Intel Core i7-9700K is the better choice. The Intel Core i7-7700 is more energy-efficient, while the Intel Core i7-9700K requires more power under load. In the used market, the Intel Core i7-9700K offers a better performance-to-price ratio for demanding users; the Intel Core i7-7700 is more cost-effective for basic tasks.