Opteron 1389 's Advantages
Higher base frequency (2.9GHz vs 2.6GHz)
Intel Xeon E 2378 's Advantages
Released 12 years and 3 months late
Higher specification of memory (3200 vs 1333)
Newer PCIe version (4 vs 2)
Larger L3 cache size (16MB vs 6MB)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (65W vs 115W)