Intel Xeon E5 2629 v3 's Advantages
Larger L3 cache size (20MB vs 16MB)
Intel Xeon E 2378 's Advantages
Released 7 years late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.6GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 85W)