Intel Core i7 6900K 's Advantages
Higher base frequency (3.2GHz vs 2.0GHz)
Intel Core i9 14900F 's Advantages
Released 7 years and 8 months late
Higher specification of memory (DDR5-5600 vs DDR4-2133)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (36MB vs 20MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (65W vs 140W)