Intel Xeon E7 4820 v3 's Advantages
Released 3 years and 7 months late
Newer PCIe version (3 vs 2)
Higher base frequency (1.9GHz vs 1.6GHz)
Larger L3 cache size (25MB vs 16MB)
Opteron 6262 HE 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Lower TDP (85W vs 115W)