Intel Xeon E5 1681 v3 's Advantages
Higher specification of memory (DDR4-2133 vs DDR4)
Higher base frequency (2.9GHz vs 2.2GHz)
Larger L3 cache size (25MB vs 22MB)
Intel Xeon Platinum 8253 's Advantages
Released 4 years and 3 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (125W vs 135W)