Intel Xeon E3 1283L v4 's Advantages
Released 9 months late
Higher specification of memory (DDR3-1866 vs DDR3)
Higher base frequency (2.9GHz vs 2.5GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (47W vs 120W)
Intel Xeon E5 2680 v3 's Advantages
Larger L3 cache size (30MB vs 6MB)