Opteron 6262 HE 's Advantages
Lower TDP (85W vs 95W)
Xeon E 2488 's Advantages
Released 12 years and 1 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 2)
Higher base frequency (3.2GHz vs 1.6GHz)
Larger L3 cache size (24MB vs 16MB)