Xeon E7 2803 's Advantages
Larger L3 cache size (18MB vs 6MB)
Intel Xeon E3 1278L v4 's Advantages
Released 4 years and 2 months late
Higher specification of memory (1600 vs 1333)
Higher base frequency (2GHz vs 1.733GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (47W vs 105W)