Intel Xeon D 1581 's Advantages
Released 9 years and 6 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 68W)
Opteron 2214 HE (F3) 's Advantages
Higher base frequency (2.2GHz vs 1.8GHz)