Intel Core i9 9900KS 's Advantages
Released 2 years and 1 months late
Integrated graphics card
Higher base frequency (4.0GHz vs 2.6GHz)
Lower TDP (127W vs 165W)
Intel Core i9 7980XE 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Larger L3 cache size (25MB vs 16MB)