Intel Xeon E3 1578L v5 's Advantages
Released 6 years and 2 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 130W)
Intel Xeon W3680 's Advantages
Higher base frequency (3.333GHz vs 2GHz)
Larger L3 cache size (12MB vs 8MB)