Intel Xeon D 1548 's Advantages
Lower TDP (45W vs 65W)
Intel Xeon E 2378 's Advantages
Released 5 years and 10 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.6GHz vs 2GHz)
Larger L3 cache size (16MB vs 1.5MB)