Intel Xeon E3-1220 CPUBoss recommends the Intel Xeon E3-1220 based on its performance and value. Why is Intel Xeon E3-1220 better than Intel Xeon E3-1220L v2? Noticeably faster CPU speed.The CPU speed indicates how many processing cycles per second can be executed by a CPU, considering all of. Processors. Merk. Intel. Productserie. Xeon. Product. Intel Xeon E3-1220 V3. Uitvoering.