Xeon E 2176M 's Advantages
Released 6 years and 1 months late
Higher specification of memory (2666 vs 1600)
Higher base frequency (2.7GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 115W)
Intel Xeon E5 2689 's Advantages
Larger L3 cache size (20MB vs 12MB)