Intel Xeon E5 2690 v2 's Advantages
Released 2 years and 4 months late
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E3 1290 's Advantages
Higher base frequency (3.6GHz vs 3GHz)
Lower TDP (95W vs 130W)