Intel Xeon E 2378 's Advantages
Released 2 years and 4 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Newer PCIe version (4 vs 3)
Larger L3 cache size (16MB vs 12MB)
Lower TDP (65W vs 80W)
Xeon E 2226G 's Advantages
Higher base frequency (3.4GHz vs 2.6GHz)