Intel Core i9 12900HX 's Advantages
Released 2 years and 4 months late
Higher specification of memory (4800 vs 4266)
Larger memory bandwidth (76.8GB/s vs 68.27GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 8MB)
AMD Ryzen 5 4500U 's Advantages
More modern manufacturing process (7nm vs 10nm)
Lower TDP (25W vs 55W)