Intel Xeon E3 1220L 's Advantages
Lower TDP (20W vs 250W)
Intel Xeon W 3345 's Advantages
Released 10 years and 3 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (3GHz vs 2.2GHz)
Larger L3 cache size (36MB vs 3MB)
More modern manufacturing process (10nm vs 32nm)