Intel Xeon E3 1240 v5 's Advantages
Higher base frequency (3.5GHz vs 3GHz)
Lower TDP (80W vs 250W)
Intel Xeon W 3345 's Advantages
Released 5 years and 9 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Larger L3 cache size (36MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)