Intel Xeon E3 1270L v4 's Advantages
Higher base frequency (3GHz vs 2.4GHz)
Lower TDP (45W vs 165W)
Intel Xeon Platinum 8260M 's Advantages
Released 3 years and 6 months late
Higher specification of memory (DDR4 vs DDR3-1866)
Larger L3 cache size (35.75MB vs 6MB)