Intel Core i9 10900KF 's Advantages
Higher base frequency (3.7GHz vs 3.5GHz)
Larger L3 cache size (20MB vs 16MB)
Intel Core i9 11900KF 's Advantages
Released 10 months late
Higher specification of memory (DDR4-3200 vs DDR4-2933)
Larger memory bandwidth (50GB/s vs 45.8GB/s)
Newer PCIe version (4.0 vs 3.0)