Intel Xeon E 2378 's Advantages
Released 8 years late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 130W)
Xeon E5 2667 v2 's Advantages
Higher base frequency (3.3GHz vs 2.6GHz)
Larger L3 cache size (20MB vs 16MB)