Intel Xeon E 2378 's Advantages
Released 3 years and 11 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Newer PCIe version (4 vs 3)
Higher base frequency (2.6GHz vs 2.5GHz)
Lower TDP (65W vs 140W)
Intel Xeon W 2175 's Advantages
Larger L3 cache size (19.25MB vs 16MB)