Intel Xeon E5 2658 's Advantages
Larger L3 cache size (20MB vs 12MB)
Xeon E 2276M 's Advantages
Released 7 years and 2 months late
Higher specification of memory (2666 vs 3)
Higher base frequency (2.8GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 95W)