Intel Xeon E3 1285 v6 's Advantages
Released 2 years and 11 months late
Higher specification of memory (DDR4 vs DDR3)
Higher base frequency (4.1GHz vs 2.3GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (79W vs 105W)
Intel Xeon E5 2649 v3 's Advantages
Larger L3 cache size (25MB vs 8MB)