The AMD Ryzen 9 7900 wins in 9 out of 14 comparable specs, with 4 ties. Its biggest advantage is L3 Cache (220% better).
Core i5-14400 wins in 1 spec (MSRP: 48% better).
Recommendation
Choose Ryzen 9 7900 if you want the best overall performance — especially l3 cache.
Choose Core i5-14400 if msrp matters more to you.
