Intel Xeon X5660 's Advantages
Higher base frequency (2.8GHz vs 2.2GHz)
Lower TDP (95W vs 185W)
Intel Xeon Gold 6338N 's Advantages
Released 11 years and 1 months late
Higher specification of memory (2667 vs 3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (48MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)