Intel Xeon E3 1265L v4 's Advantages
Lower TDP (35W vs 250W)
Intel Xeon W 3345 's Advantages
Released 6 years and 1 months late
Higher specification of memory (DDR4-3200 vs DDR3-1866)
Newer PCIe version (4 vs 3)
Higher base frequency (3GHz vs 2.3GHz)
Larger L3 cache size (36MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)