Intel Xeon L5630 's Advantages
Higher base frequency (2.133GHz vs 1.9GHz)
Lower TDP (40W vs 115W)
Intel Xeon E7 4820 v3 's Advantages
Released 5 years and 3 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (25MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)