Intel Xeon E3 1285 v3 's Advantages
Released 1 years and 1 months late
Higher base frequency (3.6GHz vs 2GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (84W vs 95W)
Intel Xeon E5 4603 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Larger L3 cache size (10MB vs 8MB)