Intel Xeon E3 1105C 's Advantages
Lower TDP (25W vs 215W)
Xeon 6556P B 's Advantages
Released 12 years and 9 months late
Higher specification of memory (6400 vs 3)
Higher base frequency (2.3GHz vs 1GHz)
Larger L3 cache size (144MB vs 6MB)
More modern manufacturing process (5nm vs 32nm)