Intel Xeon E5 2693 v3 's Advantages
Higher specification of memory (2133 vs 3)
Higher base frequency (2.8GHz vs 2.4GHz)
Larger L3 cache size (30MB vs 20MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 4640 's Advantages
Released 111 years and 4 months late
Lower TDP (95W vs 160W)