Intel Xeon E5 2407 v2 's Advantages
Higher base frequency (2.4GHz vs 1.7GHz)
Larger L3 cache size (10MB vs 1.5MB)
Intel Xeon D 1537 's Advantages
Released 2 years and 2 months late
Higher specification of memory (DDR3 vs DDR3)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 80W)