AMD Ryzen 7 3800XT 's Advantages
Released 1 years and 6 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Larger memory bandwidth (47.68GB/s vs 41.6GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.9GHz vs 2.9GHz)
Larger L3 cache size (32MB vs 9MB)
Intel Core i5 9400 's Advantages
Integrated graphics card
Lower TDP (65W vs 105W)