Intel Core i7-7700K vs Intel Core i7-8700

The Intel Core i7-7700K (Kaby Lake S), introduced in early 2017, targeted enthusiasts and gamers interested in overclocking.

The Intel Core i7-8700 (Coffee Lake S), released in late 2017, appealed to desktop users seeking improved multithreading performance.

Both processors are manufactured using the 14 nm process and support PCIe 3.0. The Intel Core i7-7700K features 4 cores and 8 threads, 8 MB of Level 3 cache, and a maximum memory bandwidth of 38 GB/s. It integrates Intel HD Graphics 630. The Intel Core i7-8700 offers 6 cores and 12 threads, 12 MB of Level 3 cache, and a maximum memory bandwidth of 43 GB/s.

It features Intel UHD Graphics 630. In single-core performance, the Intel Core i7-8700 is superior in some benchmarks and comparable in others. The multi-core performance of the Intel Core i7-8700 is generally better in demanding applications thanks to its additional cores. For gaming scenarios, the Intel Core i7-7700K can unleash high performance potential through overclocking, while the Intel Core i7-8700 offers solid, balanced performance.

The Intel Core i7-7700K has a Thermal Design Power (TDP) of 91W, while the Intel Core i7-8700 is significantly more energy-efficient at 65W. Both processors are mainly available on the used market. The Intel Core i7-8700 often offers better value for money due to its higher core count and efficiency.

For overclockers and users who want to get maximum single-core performance out of older systems, the Intel Core i7-7700K is an option. For general productivity and modern games, the Intel Core i7-8700 is the better choice.