Intel Xeon E5 2666 v3 's Advantages
Released 3 years and 7 months late
Higher specification of memory (2133 vs 1333)
Higher base frequency (2.9GHz vs 2.133GHz)
More modern manufacturing process (22nm vs 32nm)
Xeon E7 8867L 's Advantages
Larger L3 cache size (30MB vs 25MB)
Lower TDP (105W vs 135W)