Intel Xeon E5 2660 v2 's Advantages
Higher base frequency (2.2GHz vs 1.7GHz)
Larger L3 cache size (25MB vs 1.5MB)
Intel Xeon D 1537 's Advantages
Released 2 years and 2 months late
Higher specification of memory (4 vs 3)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 95W)