Xeon 6746E 's Advantages
Released 15 years and 9 months late
Higher specification of memory (5600 vs 3)
Newer PCIe version (5 vs 2)
More modern manufacturing process (5nm vs 45nm)
Intel Xeon X5492 's Advantages
Higher base frequency (3.4GHz vs 2GHz)
Lower TDP (150W vs 250W)