Intel Xeon E3 1240L v5 's Advantages
Released 5 years and 7 months late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (25W vs 130W)
Xeon X7542 's Advantages
Higher base frequency (2.666GHz vs 2.1GHz)
Larger L3 cache size (18MB vs 8MB)