Intel Xeon E3 1285 v3 's Advantages
Higher base frequency (3.6GHz vs 2.4GHz)
Lower TDP (84W vs 165W)
Intel Xeon Platinum 8260 's Advantages
Released 5 years and 6 months late
Higher specification of memory (DDR4 vs DDR3)
Larger L3 cache size (35.75MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)