Opteron 2222 SE 's Advantages
Higher base frequency (3GHz vs 1.7GHz)
Intel Xeon D 1587 's Advantages
Released 8 years and 10 months late
Higher specification of memory (4 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (14nm vs 90nm)
Lower TDP (65W vs 119W)