Xeon Platinum 8260M 's Advantages
Released 8 years and 10 months late
Higher base frequency (2.4GHz vs 2GHz)
Larger L3 cache size (35.75MB vs 8MB)
More modern manufacturing process (14nm vs 45nm)
Xeon EC5509 's Advantages
Higher specification of memory (1066 vs 4)
Lower TDP (85W vs 165W)