Intel Xeon E3 1220L v3 's Advantages
Lower TDP (13W vs 65W)
Intel Xeon E 2378 's Advantages
Released 8 years late
Higher specification of memory (DDR4-3200 vs DDR3-1600)
Newer PCIe version (4 vs 3)
Higher base frequency (2.6GHz vs 1.1GHz)
Larger L3 cache size (16MB vs 4MB)
More modern manufacturing process (14nm vs 22nm)