Intel Xeon E5 4640 's Advantages
Released 3 years and 7 months late
Higher base frequency (2.4GHz vs 2GHz)
Larger L3 cache size (20MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)
Opteron 8350 HE 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (79W vs 95W)