AMD Ryzen 3 4300U 's Advantages
Higher base frequency (2.7GHz vs 2GHz)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (25W vs 45W)
Intel Core i5 12450H 's Advantages
Released 2 years late
Higher specification of memory (5200 vs 4266)
Larger memory bandwidth (76.8GB/s vs 68.27GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (12MB vs 4MB)