AMD Ryzen 9 5900H 's Advantages
Higher base frequency (3.3GHz vs 1.2GHz)
Larger L3 cache size (16MB vs 10MB)
More modern manufacturing process (7nm vs 10nm)
Intel Core i3 1215U 's Advantages
Released 10 months 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)
Lower TDP (15W vs 45W)