Intel Xeon E5 2686 v3 's Advantages
Larger L3 cache size (45MB vs 35.75MB)
Lower TDP (120W vs 205W)
Intel Xeon Platinum 8270 's Advantages
Released 4 years and 3 months late
Higher specification of memory (DDR4 vs DDR3)
Higher base frequency (2.7GHz vs 2GHz)
More modern manufacturing process (14nm vs 22nm)