Opteron 8350 HE 's Advantages
Lower TDP (79W vs 130W)
Xeon W5590 's Advantages
Released 10 months late
Higher specification of memory (1333 vs 667)
Higher base frequency (3.333GHz vs 2GHz)
Larger L3 cache size (8MB vs 2MB)
More modern manufacturing process (45nm vs 65nm)