Intel Xeon E5 2643 v3 's Advantages
Higher specification of memory (2133 vs 4)
Higher base frequency (3.4GHz vs 2.4GHz)
Lower TDP (135W vs 165W)
Xeon Platinum 8260 's Advantages
Released 4 years and 3 months late
Larger L3 cache size (35.75MB vs 20MB)
More modern manufacturing process (14nm vs 22nm)