Intel Xeon E3 1280 v2 's Advantages
Higher base frequency (3.6GHz vs 2.5GHz)
Lower TDP (69W vs 165W)
Intel Xeon E7 8890 v3 's Advantages
Released 3 years and 1 months late
Higher specification of memory (DDR3 vs DDR3)
Larger L3 cache size (45MB vs 8MB)