Apple iPhone 12 Pro Max

78.1 x 160.8 x 7.4 mm
6.7 inches - 2778x1284 px

Samsung Galaxy S20 Ultra 5G

76 x 166.9 x 8.8 mm
6.9 inches - 3200x1440 px

Samsung Galaxy S21 Ultra

75.6 x 165.1 x 8.9 mm
6.8 inches - 3200x1440 px