Galaxy S21 FE 5G vs Galaxy S23 Ultra

Overall, the Galaxy S21 FE is smaller and lighter than the Galaxy S23 Ultra. Measurements for the Galaxy S21 FE are as follows: 6.13” (H) x 2.93” (W) x 0.31” (D), with a weight of 6.2 ounces and a 6.4” display size. In comparison, the Galaxy S23 Ultra measures 6.43” (H) x 3.07” (W) x 0.35” (D), weighs 8.2 ounces and has a 6.8” display size.

The Galaxy S21 FE features a 6.4-inch display and the Galaxy S23 Ultra features a 6.8-inch display.

Details for the Galaxy S21 SE display include an always-on Dynamic AMOLED 2X panel with a resolution of 2340 x 1080 at 403 pixels per inch, HDR10+ certification, support for refresh rates up to 120Hz, and is protected by Corning Gorilla Glass Victus cover glass.

The Galaxy S23 Ultra display shares some similarities, such as the always-on Dynamic AMOLED 2X panel that is HDR10+ certified and able to support refresh rates up to 120Hz. The Galaxy S23 Ultra display has a resolution of 3088 x 1440 at 500 pixels per inch and is protected by Corning Gorilla Glass Victus 2 cover glass.

The Galaxy S21 FE is powered by a 4500 mAh battery and the Galaxy S23 Ultra is powered by a 5000 mAh battery. Both phones support fast wired charging at 25W, Qi wireless charging at 15W, and reverse wireless charging (Wireless Powershare) at 4.5W. The Galaxy S23 Ultra also supports super-fast wired charging at 45W.