Intel Xeon E7 4820 v3 's Advantages
Released 5 years and 3 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (25MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon L5630 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (2.133GHz vs 1.9GHz)
Lower TDP (40W vs 115W)