Intel Xeon D 1577 's Advantages
Released 8 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 105W)
Intel Xeon E5 4648 v3 's Advantages
Higher specification of memory (1866 vs 4)
Higher base frequency (1.7GHz vs 1.3GHz)
Larger L3 cache size (30MB vs 1.5MB)