Intel Xeon E3 1270 v3 's Advantages
Higher base frequency (3.5GHz vs 3.4GHz)
Intel Xeon E 2334 's Advantages
Released 8 years and 3 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 80W)