Intel Xeon E5 4640 v3 's Advantages
Higher specification of memory (DDR4-1866 vs DDR4)
Lower TDP (105W vs 350W)
Intel Xeon Platinum 9242 's Advantages
Released 3 years and 10 months late
Higher base frequency (2.3GHz vs 1.9GHz)
Larger L3 cache size (71.5MB vs 30MB)
More modern manufacturing process (14nm vs 22nm)