Xeon 6746E 's Advantages
Released 12 years and 3 months late
Higher specification of memory (5600 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (96MB vs 15MB)
More modern manufacturing process (5nm vs 32nm)
Intel Xeon E5 1660 's Advantages
Higher base frequency (3.3GHz vs 2GHz)
Lower TDP (130W vs 250W)