We compared two server CPUs: Intel Xeon E5 2643 v3 with 6 cores 3.4GHz 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 2643 v3 's Advantages
Higher base frequency (3.4GHz vs 2.9GHz)
Intel Xeon E5 2666 v3 's Advantages
Higher specification of memory (DDR4-2133 vs DDR4-2133)