AMD Ryzen 9 3900X 's Advantages
Released 9 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)
Higher base frequency (3.8GHz vs 3.6GHz)
Larger L3 cache size (64MB vs 16MB)
More modern manufacturing process (7nm vs 14nm)
Intel Core i9 9900K 's Advantages
Integrated graphics card
Lower TDP (95W vs 105W)