Xeon E 2274G 's Advantages
Higher base frequency (4GHz vs 2.2GHz)
Lower TDP (83W vs 205W)
Intel Xeon Gold 6438M 's Advantages
Released 3 years and 8 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)