Intel Xeon E5 2603 's Advantages
Larger L3 cache size (10MB vs 8MB)
Intel Xeon E3 1578L v5 's Advantages
Released 4 years and 2 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (2GHz vs 1.8GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 80W)