The Intel Core i5-12600KF is the objective winner of this comparison, securing more spec victories than the Intel Core i9-10900K. The most impactful advantage for the newer processor is its L2 cache, which is 280% better than that of the older model. This significant architectural improvement provides the Intel Core i5-12600KF with a clear technical edge across the majority of the measured categories, establishing it as the superior component based on the provided specifications.

Users prioritizing modern architecture and the substantial L2 cache advantage should choose the Intel Core i5-12600KF. Conversely, the Intel Core i9-10900K remains the appropriate selection for those who specifically require a higher thread count, as it maintains a 25% advantage in that area. Your final decision should depend on whether your specific workload benefits more from the increased cache capacity of the newer model or the higher thread count offered by the older processor.