The phrase "clear winner" means that one person or thing has clearly won or is the best compared to others, without any doubt or confusion. Full definition
There are clear winners in the food industry as a result of the administration's campaign. (nationaljournal.com)
With that in mind, there's one clear winner when it comes to which is the best PC gaming controller to get when you don't want to spend a whole lot. (jelly.deals)
Y ’ all had some pretty clear winners on the pieces that I wore that were your favorites! (stilettosanddiapers.com)