Intel Xeon E7 8891 v3 's Advantages
Released 4 years and 2 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (45MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E3 1245 's Advantages
Higher base frequency (3.3GHz vs 2.8GHz)
Lower TDP (95W vs 165W)