Intel Core i9 7980XE 's Advantages
Larger memory bandwidth (79.47GB/s vs 50GB/s)
Larger L3 cache size (25MB vs 12MB)
Intel Core i5 11400 's Advantages
Released 3 years and 6 months late
Integrated graphics card
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4.0 vs 3.0)
Lower TDP (65W vs 165W)