Usually the refresh rate is part of the panel itself, regardless of resolution displayed. So, for example, a 4K 60Hz panel is still only going to be able to do 60Hz running a non-native 1080p resolution.
Usually the refresh rate is part of the panel itself, regardless of resolution displayed. So, for example, a 4K 60Hz panel is still only going to be able to do 60Hz running a non-native 1080p resolution.