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)
Larger L3 cache size (64MB vs 3MB)
More modern manufacturing process (7nm vs 14nm)
Intel Core i3 7100 's Advantages
Integrated graphics card
Higher base frequency (3.9GHz vs 3.8GHz)
Lower TDP (51W vs 105W)