Intel Xeon E5 1691 v3 's Advantages
Larger L3 cache size (35MB vs 24MB)
Lower TDP (135W vs 185W)
Intel Xeon Gold 6326 's Advantages
Released 6 years and 7 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Higher base frequency (2.9GHz vs 2.5GHz)
More modern manufacturing process (10nm vs 22nm)