Intel Xeon E7 8867 v3 's Advantages
Released 4 years and 10 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (45MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon W3670 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (3.2GHz vs 2.5GHz)
Lower TDP (130W vs 165W)