Intel Xeon E5 1680 v2 's Advantages
Higher base frequency (3GHz vs 2.8GHz)
Larger L3 cache size (25MB vs 16MB)
Intel Xeon E 2378G 's Advantages
Released 8 years late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 3)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 130W)