According to Patently Apple, each of the red, green and blue subpixels in micro LEDs produces its own light, offering high contrast ratios and deep blacks. (tomsguide.com)
While rumors don't indicate a resolution bump, it's worth noting that Samsung typically uses an PenTile subpixel arrangement in its OLED panels. (thenextweb.com)
It benefits from a standard RGB stripe subpixel layout, meaning there's no PenTile AMOLED artefacts, so text is largely jaggie - free. (techspot.com)