We compared two server CPUs: Intel Xeon E5 2660 v2 with 10 cores 2.2GHz and Intel Xeon E5 2666 v3 with 10 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5 2660 v2 's Advantages
Lower TDP (95W vs 135W)
Intel Xeon E5 2666 v3 's Advantages
Released 1 years and 2 months late
Higher specification of memory (DDR4-2133 vs DDR3)