The Intel Core i9-14900 is the objective winner of this comparison, securing victory in ten out of fourteen measured specifications. While the Intel Core i5-11600K holds a notable lead in base clock speed, which is 95% higher than its counterpart, the Intel Core i9-14900 offers a significantly more substantial technical advantage. Its most impactful improvement is the L2 cache, which is 967% larger than the capacity found in the Intel Core i5-11600K.

Users prioritizing the highest possible base clock speed should select the Intel Core i5-11600K for their build. Conversely, the Intel Core i9-14900 is the superior choice for those who require the extensive L2 cache capacity and the broader range of spec advantages provided by the newer architecture. Choosing between these two processors depends entirely on whether your specific workload benefits more from the raw base clock frequency or the massive cache improvements offered by the newer model.