The Intel Core i9-14900KS wins in 9 out of 16 comparable specs, with 4 ties. Its biggest advantage is L2 Cache (327% better).
Core i5-12400 wins in 3 specs (MSRP: 73% better).
Recommendation
Choose Core i9-14900KS if you want the best overall performance — especially l2 cache.
Choose Core i5-12400 if msrp matters more to you.
AI Versus Verdict
The Intel Core i9-14900KS is the objective winner of this comparison, securing a lead in nine out of sixteen measured specifications. Its most significant technical advantage over the Intel Core i5-12400 is its L2 cache, which is 327% larger. While the i9-14900KS dominates in raw capacity and cache architecture, the i5-12400 maintains a clear lead in MSRP, which is 73% better than its counterpart, representing the most impactful advantage for the lower-tier processor.
Users prioritizing maximum cache capacity and high-end technical specifications should select the Intel Core i9-14900KS for their build. Conversely, the Intel Core i5-12400 is the superior choice for budget-conscious consumers who value a significantly lower MSRP. By choosing the i5-12400, buyers sacrifice the massive L2 cache advantage of the i9-14900KS in exchange for a substantial improvement in cost efficiency.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.
