Intel Xeon E3 1240 v5 's Advantages
Higher base frequency (3.5GHz vs 3.2GHz)
Lower TDP (80W vs 95W)
Intel Xeon E 2388G 's Advantages
Released 5 years and 11 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Larger L3 cache size (16MB vs 8MB)