Intel Xeon E3 1515M v5 's Advantages
Released 2 years late
Higher specification of memory (2133 vs 1333)
Higher base frequency (2.8GHz vs 1.4GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (14nm vs 22nm)
Pentium 1405 V2 's Advantages
Lower TDP (40W vs 45W)