Intel Xeon E5 2665 's Advantages
Lower TDP (115W vs 205W)
Intel Xeon Platinum 8180M 's Advantages
Released 5 years and 4 months late
Higher specification of memory (DDR4 vs DDR3)
Higher base frequency (2.5GHz vs 2.4GHz)
Larger L3 cache size (38.5MB vs 20MB)
More modern manufacturing process (14nm vs 32nm)