The Intel Core Ultra 7 265KF is the objective winner of this comparison, securing nine spec victories against the two held by the Intel Core i9-12900K. While the latter maintains a notable lead in multi-threaded capacity with 20% more threads, the former dominates in memory architecture. The most impactful advantage for the Intel Core Ultra 7 265KF is its L2 cache, which provides a 157% improvement over the Intel Core i9-12900K, significantly enhancing its internal data handling capabilities.

Users prioritizing raw multi-threaded throughput for heavy parallel workloads should select the Intel Core i9-12900K to leverage its superior thread count. Conversely, those seeking the most modern architecture and the substantial performance benefits offered by a significantly larger L2 cache should choose the Intel Core Ultra 7 265KF. By focusing on these specific advantages, buyers can align their choice with either the higher thread density of the older model or the cache-heavy efficiency of the newer component.