Is it ok to change degrade the laptop screen resolution from FHD to HD?

Is it ok to change degrade the laptop screen resolution from FHD to HD?
Added (1). i have lenovo y510p SLI my screen resolution was 1080p and i wanna degrade it HD for better frame rate. Can i buy a screen of 1366*768 on the online site for lenovo y510p and replace my self or there will be a change in the pins for lenovo y510p's 1080p laptop screen and and the screen i buy from online site. Or there will any other issues that
like not recognizable or something because it came default by 1080p screen.

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