When it comes to the phone's displays, the Samsung Galaxy S23 uses a 6.1-inch, 1080 x 2340-pixel AMOLED screen with a 120Hz refresh rate, while the iPhone 15 sports a 6.1-inch, 1179 x 2556-pixel OLED display with a lesser 60Hz refresh rate. So the Galaxy S23 offers a higher refresh rate than the iPhone 15.