Xeon E 2274G 's Advantages
Higher base frequency (4GHz vs 2.8GHz)
Intel Xeon E 2378G 's Advantages
Released 2 years and 4 months late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4 vs 3)
Larger L3 cache size (16MB vs 8MB)
Lower TDP (80W vs 83W)