The Intel Core i7-14700 is the objective winner of this comparison, securing victory across ten of the sixteen evaluated specifications. Its most significant technical advantage over the Intel Core i9-12900K is its L2 cache, which offers a 100% improvement. This substantial increase in cache capacity provides the primary performance edge for the newer processor, allowing it to outperform the older model in the majority of measured categories while maintaining parity in five specific areas.

Users prioritizing modern architecture and the benefits of expanded L2 cache should select the Intel Core i7-14700 for their build. Conversely, the Intel Core i9-12900K remains the appropriate choice for those who specifically require a higher base clock speed, as it maintains a 52% advantage in that single metric. By focusing on these distinct technical strengths, buyers can align their hardware selection with their specific requirements for cache efficiency or base frequency performance.