Intel Xeon E3 1283L v4 's Advantages
Higher base frequency (2.9GHz vs 1.7GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (47W vs 105W)
Intel Xeon E5 4648 v3 's Advantages
Higher specification of memory (1866 vs 1866)
Larger L3 cache size (30MB vs 6MB)