Intel Xeon E3 1575M v5 's Advantages
Released 7 months late
Higher specification of memory (2133 vs 1866)
Higher base frequency (3GHz vs 2GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 105W)
Intel Xeon E5 4620 v3 's Advantages
Larger L3 cache size (25MB vs 8MB)