Intel Xeon E5 2450 v2 's Advantages
Released 3 years and 6 months late
Larger L3 cache size (20MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (95W vs 130W)
Intel Xeon X5677 's Advantages
Higher base frequency (3.466GHz vs 2.5GHz)