Opteron 3350 HE 's Advantages
Higher base frequency (2.8GHz vs 2GHz)
Larger L3 cache size (8MB vs 6MB)
Lower TDP (45W vs 47W)
Intel Xeon E3 1278L v4 's Advantages
Released 2 years and 6 months late
Higher specification of memory (1600 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)