Xeon Platinum 8260M 's Advantages
Released 7 years and 10 months late
Higher base frequency (2.4GHz vs 2.133GHz)
Larger L3 cache size (35.75MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)
Xeon L5639 's Advantages
Higher specification of memory (1333 vs 4)
Lower TDP (60W vs 165W)