Intel Xeon X5690 's Advantages
Higher base frequency (3.466GHz vs 2.1GHz)
Lower TDP (130W vs 165W)
Intel Xeon Gold 6338T 's Advantages
Released 10 years and 2 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (36MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)