Intel Xeon E3 1285 v4 's Advantages
Higher base frequency (3.5GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (95W vs 105W)
Intel Xeon E5 4650 v3 's Advantages
Higher specification of memory (DDR4-2133 vs DDR3-1866)
Larger L3 cache size (30MB vs 6MB)