Also, OLED displays have fewer subpixels as far as I know. I think LCD usually have Red/Green/Blue for every pixel, OLEDs don't. So on an OLED display, you need

Also, OLED displays have fewer subpixels as far as I know. I think LCD usually have Red/Green/Blue for every pixel, OLEDs don't. So on an OLED display, you need a higher resolution to make it look as sharp as an LCD.