Intel Xeon w7 3455 's Advantages
Released 11 years and 10 months late
Higher specification of memory (4800 vs 1333)
Higher base frequency (2.5GHz vs 2GHz)
Larger L3 cache size (67.5MB vs 18MB)
More modern manufacturing process (10nm vs 32nm)
Xeon E7 2820 's Advantages
Lower TDP (105W vs 270W)