The Intel Core Ultra 5 235F is the objective winner of this comparison, securing victories in eleven out of fourteen measured specifications. Its most significant technical advantage is its L2 cache, which is 700% larger than that of the Intel Core i9-10900K. While the older processor maintains a lead in thread count, the newer model dominates the majority of the evaluated categories, establishing itself as the superior choice based on the provided hardware specifications.

Users who prioritize modern architectural improvements and the substantial L2 cache advantage should select the Intel Core Ultra 5 235F for their build. Conversely, the Intel Core i9-10900K remains the appropriate choice for specific workloads that rely heavily on a higher thread count, where it holds a 43% advantage over the newer component. Your final decision should depend on whether your specific computing tasks benefit more from increased cache capacity or a higher number of threads.