Intel Core Ultra 5 115U 's Advantages
Higher specification of memory (7467 vs 5600)
Lower TDP (15W vs 28W)
AMD Ryzen 5 PRO 8640U 's Advantages
Higher base frequency (3.5GHz vs 1.5GHz)
Larger L3 cache size (16MB vs 10MB)
More modern manufacturing process (4nm vs 7nm)