Intel Xeon E5 2650 v2 's Advantages
Higher base frequency (2.6GHz vs 2.2GHz)
Lower TDP (95W vs 205W)
Intel Xeon Gold 6438M 's Advantages
Released 9 years and 4 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 20MB)
More modern manufacturing process (10nm vs 22nm)