Intel Xeon E5 4648 v3 's Advantages
Lower TDP (105W vs 300W)
Intel Xeon Platinum 8462Y 's Advantages
Released 7 years and 7 months late
Higher specification of memory (DDR5-4800 vs DDR4-1866)
Newer PCIe version (5 vs 3)
Higher base frequency (2.8GHz vs 1.7GHz)
Larger L3 cache size (60MB vs 30MB)
More modern manufacturing process (10nm vs 22nm)