The Intel Core Ultra 5 235 is the objective winner, securing victory in eleven out of fourteen comparable specifications. Its most significant technical advantage is a 550% increase in L2 cache compared to the Intel Core i9-11900K. While the older processor maintains a lead in thread count, outperforming the newer model by 14% in that specific category, the overall spec-based superiority of the Intel Core Ultra 5 235 makes it the more modern and capable choice across the majority of metrics.

Users prioritizing the latest architectural improvements and the substantial L2 cache advantage should select the Intel Core Ultra 5 235 for their build. Conversely, the Intel Core i9-11900K remains the appropriate choice for specific workloads that rely heavily on the 14% thread count advantage provided by that unit. Buyers should weigh the importance of cache capacity against thread count requirements to determine which of these two processors best aligns with their specific computing needs.