Intel Core i9 11900F 's Advantages
Released 2 years and 5 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Newer PCIe version (4.0 vs 3.0)
Lower TDP (65W vs 165W)
Intel Core i9 9980XE 's Advantages
Larger memory bandwidth (79.47GB/s vs 50GB/s)
Higher base frequency (3.0GHz vs 2.5GHz)
Larger L3 cache size (25MB vs 16MB)