Intel Xeon E 2378 's Advantages
Released 7 years late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 3)
Larger L3 cache size (16MB vs 10MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 140W)
Intel Xeon E5 1603 v3 's Advantages
Higher base frequency (2.8GHz vs 2.6GHz)