Intel Xeon E7 4809 v3 's Advantages
Released 2 years and 6 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (20MB vs 8MB)
Opteron 3380 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (2.6GHz vs 2GHz)
Lower TDP (65W vs 115W)