Intel Xeon E 2378 's Advantages
Released 4 years and 1 months late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4 vs 3)
Larger L3 cache size (16MB vs 8.25MB)
Lower TDP (65W vs 120W)
Intel Xeon W 2104 's Advantages
Higher base frequency (3.2GHz vs 2.6GHz)