Intel Xeon D 1577 's Advantages
Released 3 years and 11 months late
Higher specification of memory (4 vs 3)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 115W)
Intel Xeon E5 2670 's Advantages
Higher base frequency (2.6GHz vs 1.3GHz)
Larger L3 cache size (20MB vs 1.5MB)