Intel Xeon W3690 's Advantages
Higher base frequency (3.466GHz vs 1.9GHz)
Intel Xeon E5 2609 v3 's Advantages
Released 3 years and 7 months late
Higher specification of memory (DDR4-1600 vs DDR3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (85W vs 130W)