Intel Xeon E5 2643 's Advantages
Released 5 years and 7 months late
Newer PCIe version (3 vs 1)
Higher base frequency (3.3GHz vs 2.2GHz)
More modern manufacturing process (32nm vs 90nm)
Opteron 8214 HE (F2) 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (68W vs 130W)