Galaxy S21 Plus 5G vs Galaxy S23 Ultra

The Galaxy S21+ features a 6.7” display size, and the Galaxy S23 Ultra features a 6.8” display size. Overall, the Galaxy S21+ is smaller and lighter than the Galaxy S23 Ultra.

The Galaxy S21+ measures 6.36” (H) x 2.98” (W) x 0.31” (D) and weighs 7.1 ounces. In comparison, the measurements for the Galaxy S23 Ultra are as follows: 6.43” (H) x 3.07” (W) x 0.35” (D) with a weight of 8.2 ounces.

The Galaxy S21+ features an always-on 6.7-inch Dynamic AMOLED 2X Infinity-O display with a resolution of 2400 x 1080 at 394 pixels per inch and an aspect ratio of 20:9.

In comparison, the Galaxy S23 Ultra features an always-on 6.8-inch Dynamic AMOLED 2X Infinity-O display with a resolution of 3088 x 1440 at 500 pixels per inch and an aspect ratio of 19.3:9

The Galaxy S21+ and the Galaxy S23 Ultra displays both support refresh rates up to 120Hz and are HDR10+ certified. The Galaxy S23 Ultra also supports Samsung’s S Pen.

The Galaxy S21+ is powered by a 4800 mAh battery, and the Galaxy S23 Ultra is powered by a 5000 mAh battery. The Galaxy S21+ and the Galaxy S23 Ultra support 25W fast wired charging, 15W standard wired charging, 15W Qi wireless charging, and 4.5W reverse wireless charging (Wireless Powershare). The Galaxy S23 Ultra also supports 45W super-fast wired charging.