AMD Ryzen 9 3900X 's Advantages
Released 2 years and 6 months late
Higher specification of memory (3200 vs 2400)
Larger memory bandwidth (47.68GB/s vs 35.76GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.8GHz vs 3.0GHz)
Larger L3 cache size (64MB vs 6MB)
More modern manufacturing process (7nm vs 14nm)
Intel Core i5 7400 's Advantages
Integrated graphics card
Lower TDP (65W vs 105W)