Galaxy S21 5G comes with a 6.2-inch screen, measuring at 71.2 x 151.7 x
7.9 millimeters and weighing at 171g(mmW), 169g(sub6).
Galaxy S21+ 5G
comes with a 6.7-inch screen and measures at 75.6 x 161.5 x 7.8
millimeters, while weighing 202g(mmW), 200g(sub6)
Galaxy S21 Ultra 5G comes with a 6.8-inch screen, measuring at 75.6 x 165.1 x 8.9 millimeters and weighing 229g(mmW), 227g(sub6)