Galaxy S21 5G vs Galaxy S23 Plus

Measurements for the Galaxy S21 are as follows: 5.97” (H) x 2.80” (W) x 0.31” (D), with a weight of 6.0 ounces, and a 6.2” display size. The Galaxy S23+ measures 6.21” (H) x 3.0” (W) x 0.30” (D), weighs 6.9 ounces and features a 6.6” display size.

The Galaxy S21 features a 6.2-inch Dynamic AMOLED 2X Infinity-O display with a resolution of 2400 x 1080 at 421 pixels per inch, and an aspect ratio of 20:9. The Galaxy S21 display is also HDR10+ certified and supports refresh rates up to 120Hz.

The Galaxy S23+ display is larger but has several things in common with the Galaxy S21 display. The Galaxy S23+ display is also HDR10+ certified and can support refresh rates up to 120Hz. Otherwise, the Galaxy S23+ features a 6.6-inch Dynamic AMOLED 2X Infinity-O display with a resolution of 2340 x 1080 at 393 pixels per inch and an aspect ratio of 19.5:9.

The Galaxy S21 is equipped with a 4000 mAh battery and the Galaxy S23+ is equipped with a 4700 mAh battery. Charging speeds for the Galaxy S21 and the Galaxy S23+ are as follows: 25W fast wired charging, 15W standard wired charging, 15W Qi wireless charging, and 4.5W reverse wireless charging (Wireless Powershare).