The Intel Core i7-14700F is the objective winner of this comparison, securing victories in ten out of fourteen measured specifications. Its most significant technical advantage is the L2 cache, which is 1767% larger than that of the Intel Core i7-8700K. This substantial increase in cache capacity provides the newer processor with a clear architectural lead across the majority of the evaluated metrics, establishing it as the superior option for modern computing tasks.

Users prioritizing modern architecture and the massive L2 cache advantage should select the Intel Core i7-14700F for their build. Conversely, the Intel Core i7-8700K remains a viable choice for those who specifically require a 76% higher base clock speed. By weighing these two distinct advantages, buyers can choose the processor that best aligns with their specific technical requirements, whether they value the cache-heavy performance of the newer model or the higher base frequency of the older unit.