The phrase "real differentiator" refers to something that sets apart or distinguishes one thing from others in a significant way. It is something unique or special that makes it stand out and gives it an advantage over similar things.
Sentences with «real differentiator»
The only real differentiator here is the Dell Stage mail widget, which shows the five most recent e-mail messages on one of your desktops. (laptopmag.com)
Most local school districts understand that ability of their instructional personnel is the only real differentiator between them and other local districts. (tnedreport.com)
But the Xperia X series isn't the best of anything, and increasingly the only real differentiator these phones have is the Sony brand itself — a brand which, let's face it, no longer carries the cachet it once did. (androidcentral.com)