Intel Core i9 13900 's Advantages
Released 5 years and 3 months late
Better graphics card performance
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (89.6GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (36MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (65W vs 95W)
Intel Core i7 8700K 's Advantages
Higher base frequency (3.7GHz vs 2.0GHz)