Opteron 8212 HE (F3) 's Advantages
Higher specification of memory (667 vs 4)
Intel Xeon D 1521 's Advantages
Released 9 years and 3 months late
Newer PCIe version (3 vs 1)
Higher base frequency (2.4GHz vs 2GHz)
More modern manufacturing process (14nm vs 90nm)
Lower TDP (45W vs 68W)