Xeon E 2236 's Advantages
Released 7 years late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.4GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 95W)
Intel Xeon E5 4640 's Advantages
Larger L3 cache size (20MB vs 12MB)