Intel Xeon D 1577 's Advantages
Released 8 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 135W)
Intel Xeon E5 4655 v3 's Advantages
Higher specification of memory (2133 vs 4)
Higher base frequency (2.9GHz vs 1.3GHz)
Larger L3 cache size (30MB vs 1.5MB)