Intel Xeon E5 2640 v3 's Advantages
Released 3 years and 4 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (90W vs 95W)
Intel Xeon E3 1290 's Advantages
Higher base frequency (3.6GHz vs 2.6GHz)