Intel Core i5 11300H's Advantages
Better graphics card performance
Higher base frequency (3.1GHz vs 2GHz)
Lower TDP (28W vs 35W)
Intel Core i5 12450H's Advantages
Released 1 years late
Higher specification of memory (LPDDR5-5200 vs LPDDR4x-4267)
Larger memory bandwidth (76.8GB/s vs 51.2GB/s)
Larger L3 cache size (12MB vs 8MB)