Xeon E7 4820 's Advantages
Lower TDP (105W vs 270W)
Intel Xeon Gold 6544Y 's Advantages
Released 12 years and 8 months late
Higher specification of memory (5200 vs 1333)
Higher base frequency (3.6GHz vs 2GHz)
Larger L3 cache size (45MB vs 18MB)
More modern manufacturing process (10nm vs 32nm)