Intel Core i7 8086K 's Advantages
Integrated graphics card
Higher base frequency (4.0GHz vs 3.8GHz)
Lower TDP (95W vs 105W)
AMD Ryzen 9 3900XT 's Advantages
Released 2 years and 1 months late
Higher specification of memory (3200 vs 2666)
Larger memory bandwidth (47.68GB/s vs 41.6GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (64MB vs 12MB)
More modern manufacturing process (7nm vs 14nm)