Intel Xeon W3670 's Advantages
Higher base frequency (3.2GHz vs 1.9GHz)
Lower TDP (130W vs 350W)
Intel Xeon w9 3495X 's Advantages
Released 12 years and 6 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (105MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)