The Intel Core i7-14700 is the objective winner, securing victories in 11 out of 14 comparable specifications. Its most significant technical advantage over the Intel Core i7-8700K is its L2 cache, which is 1767% larger. This substantial increase in cache capacity provides the modern processor with a clear architectural lead across the majority of measured categories, establishing it as the superior component for users prioritizing current hardware standards and expanded memory resources.

Users should choose the Intel Core i7-14700 if they require the benefits of a significantly larger L2 cache for modern computing tasks. Conversely, the Intel Core i7-8700K remains a viable option for specific use cases that prioritize a higher base clock, where it maintains a 76% advantage. Select the former for overall technical superiority or the latter if your specific workflow relies on the higher base frequency provided by the older architecture.