Opteron 3350 HE 's Advantages
Higher base frequency (2.8GHz vs 2.5GHz)
Lower TDP (45W vs 140W)
Intel Xeon W 2175 's Advantages
Released 4 years and 10 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (19.25MB vs 8MB)