Intel Xeon E5 2643 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (DDR4-2133 vs DDR3)
Larger L3 cache size (20MB vs 8MB)
Intel Xeon E3 1290 v2 's Advantages
Higher base frequency (3.7GHz vs 3.4GHz)
Lower TDP (87W vs 135W)