AMD Ryzen 9 5900H 's Advantages
Higher base frequency (3.3GHz vs 1.8GHz)
Larger L3 cache size (16MB vs 12MB)
Intel Core i7 1265U 's Advantages
Released 10 months late
Higher specification of memory (LPDDR5-5200 vs LPDDR4-4266)
Larger memory bandwidth (76.8GB/s vs 68.27GB/s)
Newer PCIe version (4.0 vs 3.0)
Lower TDP (12W vs 45W)