Intel Xeon E5 2699 v3 's Advantages
Larger L3 cache size (45MB vs 16MB)
Intel Xeon E 2378G 's Advantages
Released 7 years late
Higher specification of memory (DDR4-3200 vs DDR4-2133)
Newer PCIe version (4 vs 3)
Higher base frequency (2.8GHz vs 2.3GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 145W)