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 (DDR4-1866 vs DDR3)
Higher base frequency (1.7GHz vs 1.3GHz)
Larger L3 cache size (30MB vs 1.5MB)