Intel Xeon E3 1578L v5 's Advantages
Released 1 years and 8 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 135W)
Intel Xeon E5 2667 v3 's Advantages
Higher specification of memory (2133 vs 2133)
Higher base frequency (3.2GHz vs 2GHz)
Larger L3 cache size (20MB vs 8MB)