Opteron 6386 SE 's Advantages
Higher base frequency (2.8GHz vs 2.7GHz)
Lower TDP (140W vs 270W)
Intel Xeon W 3365 's Advantages
Released 8 years and 8 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (48MB vs 8MB)