Opteron 3350 HE 's Advantages
Higher base frequency (2.8GHz vs 2.6GHz)
Lower TDP (45W vs 65W)
Intel Xeon E 2378 's Advantages
Released 8 years and 9 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (16MB vs 8MB)