Galaxy S21 Ultra 5G vs Galaxy S23

The Galaxy S21 Ultra features a 6.8” display size, and the Galaxy S23 features a 6.1” display size. Overall, the Galaxy S21 Ultra is also larger and heavier than the Galaxy S23.

Measurements for the Galaxy S21 Ultra are as follows: 6.5” (H) x 2.98” (W) x 0.35” (D) with a weight of 8.0 ounces. Measurements for the Galaxy S23 are as follows: 5.76” (H) x 2.79” (W) x 0.30” (D) with a weight of 5.9 ounces.

The Galaxy S21 Ultra features a single 40MP wide-angle camera on the front, and a quad camera system with 108MP wide, 10MP periscope telephoto, 10MP telephoto, and 12MP ultra-wide cameras on the back.

And in comparison, the Galaxy S23 features a single 12MP wide-angle camera on the front, and a triple camera system with 50MP wide, 10MP telephoto, and 12MP ultra-wide cameras on the back.

The Galaxy S21 Ultra features an always-on 6.8-inch Dynamic AMOLED 2X Infinity-O display with a resolution of 3200 x 1440 at 515 pixels per inch and an aspect ratio of 20:9. The Galaxy S21 Ultra display also supports Samsung’s S Pen.

The Galaxy S23 features an always-on 6.1-inch Dynamic AMOLED 2X Infinity-O display with a resolution of 2340 x 1080 at 425 pixels per inch and an aspect ratio of 19.5:9

The Galaxy S21 Ultra and the Galaxy S23 displays also support refresh rates up to 120Hz and are HDR10+ certified.

The Galaxy S21 Ultra is powered by a 5000 mAh battery and the Galaxy S23 is powered by a 3900 mAh battery.

The Galaxy S21 Ultra and the Galaxy S23 support fast wired charging at 25W and standard wired charging at 15W. In addition to wired charging, the Galaxy S21 Ultra and the Galaxy S23 support Qi wireless charging at 15W speeds and reverse wireless charging (Wireless Powershare) at 4.5W speeds.