Intel Xeon E3 1265L v3 's Advantages
Larger L3 cache size (8MB vs 6MB)
Lower TDP (45W vs 65W)
Intel Xeon E3 1285L v4 's Advantages
Released 2 years late
Higher specification of memory (1866 vs 4)
Higher base frequency (3.4GHz vs 2.5GHz)
More modern manufacturing process (14nm vs 22nm)