Xeon X3430 's Advantages
Higher specification of memory (1333 vs 3)
Higher base frequency (2.4GHz vs 1.8GHz)
Larger L3 cache size (8MB vs 6MB)
Intel Xeon E3 1258L v4 's Advantages
Released 5 years and 9 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (47W vs 95W)