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 105W)
Intel Xeon E5 2673 v3 's Advantages
Higher base frequency (2.4GHz vs 2GHz)
Larger L3 cache size (30MB vs 8MB)