Intel Core i3 1215U 's Advantages
Lower TDP (15W vs 35W)
AMD Ryzen 7 7840H 's Advantages
Released 11 months late
Better graphics card performance
Higher specification of memory (5600 vs 5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (4 vs 4.0)
Higher base frequency (3.8GHz vs 1.2GHz)
Larger L3 cache size (16MB vs 10MB)
More modern manufacturing process (4nm vs 10nm)