Intel Xeon E5 2643 v3 's Advantages
Higher specification of memory (DDR4-2133 vs DDR4)
Higher base frequency (3.4GHz vs 2.3GHz)
Lower TDP (135W vs 350W)
Intel Xeon Platinum 9242 's Advantages
Released 4 years and 7 months late
Larger L3 cache size (71.5MB vs 20MB)
More modern manufacturing process (14nm vs 22nm)