Intel Xeon E 2378 's Advantages
Released 11 years and 6 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Higher base frequency (2.6GHz vs 2GHz)
Larger L3 cache size (16MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon L5638 's Advantages
Lower TDP (60W vs 65W)