Intel Xeon E5 1660 v2 's Advantages
Higher base frequency (3.7GHz vs 3.5GHz)
Lower TDP (130W vs 220W)
Intel Xeon W 3323 's Advantages
Released 7 years and 10 months late
Higher specification of memory (DDR4-3200 vs DDR3-1866)
Newer PCIe version (4 vs 3)
Larger L3 cache size (18MB vs 15MB)
More modern manufacturing process (10nm vs 22nm)