Intel Xeon E3 1505M v5 's Advantages
Lower TDP (45W vs 250W)
Intel Xeon W 3345 's Advantages
Released 5 years and 9 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (3GHz vs 2.8GHz)
Larger L3 cache size (36MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)