Intel Xeon E5 4617 's Advantages
Higher base frequency (2.9GHz vs 2.8GHz)
Larger L3 cache size (15MB vs 8MB)
Intel Xeon E3 1505M v5 's Advantages
Released 3 years and 5 months late
Higher specification of memory (DDR3 vs DDR3)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 130W)