Intel Xeon E3 1270 's Advantages
Higher base frequency (3.4GHz vs 2GHz)
Intel Xeon E5 2628L v3 's Advantages
Released 3 years and 5 months late
Higher specification of memory (DDR4-1866 vs DDR3)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (75W vs 80W)