Opteron 8216 HE (F2) 's Advantages
Higher specification of memory (667 vs 4)
Higher base frequency (2.4GHz vs 2.2GHz)
Intel Xeon D 1531 's Advantages
Released 9 years and 3 months late
Newer PCIe version (3 vs 1)
More modern manufacturing process (14nm vs 90nm)
Lower TDP (35W vs 68W)