Intel Core i5 7400 's Advantages
Lower TDP (65W vs 140W)
Apple M3 Ultra 's Advantages
Released 8 years and 2 months late
Higher specification of memory (6400 vs 2400)
Larger memory bandwidth (819.2GB/s vs 35.76GB/s)
Higher base frequency (4.5GHz vs 3.0GHz)
More modern manufacturing process (3nm vs 14nm)