Xeon E7 4820 's Advantages
Larger L3 cache size (18MB vs 8MB)
Intel Xeon E3 1268L v5 's Advantages
Released 4 years and 6 months late
Higher specification of memory (2133 vs 1333)
Higher base frequency (2.4GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 105W)