Intel Xeon E5 1620 's Advantages
Higher base frequency (3.6GHz vs 3.4GHz)
Xeon E 2236 's Advantages
Released 7 years and 2 months late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (12MB vs 10MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 130W)