AMD Ryzen 3 5300U 's Advantages
Higher base frequency (2.6GHz vs 2.3GHz)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (25W vs 55W)
Intel Core i9 12900HX 's Advantages
Released 1 years and 4 months late
Higher specification of memory (4800 vs 4266)
Larger memory bandwidth (76.8GB/s vs 51.2GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 4MB)