Xeon E7 4860 's Advantages
Higher base frequency (2.266GHz vs 1.9GHz)
Larger L3 cache size (24MB vs 8MB)
Intel Xeon E3 1558L v5 's Advantages
Released 5 years and 1 months late
Higher specification of memory (2133 vs 1333)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 130W)