Xeon D 2796TE 's Advantages
Higher base frequency (2GHz vs 1.8GHz)
Lower TDP (118W vs 185W)
Intel Xeon Gold 6421N 's Advantages
Released 11 months late
Higher specification of memory (4400 vs 2933)
Newer PCIe version (5 vs 4)
Larger L3 cache size (60MB vs 30MB)