Intel Xeon E5 2665 's Advantages
Lower TDP (115W vs 185W)
Intel Xeon Gold 6326 's Advantages
Released 9 years and 1 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.9GHz vs 2.4GHz)
Larger L3 cache size (24MB vs 20MB)
More modern manufacturing process (10nm vs 32nm)