Intel Xeon E3 1558L v5 's Advantages
Released 4 years and 2 months late
Higher specification of memory (2133 vs 3)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 95W)
Intel Xeon E5 2630 's Advantages
Higher base frequency (2.3GHz vs 1.9GHz)
Larger L3 cache size (15MB vs 8MB)