UK samsung s9: Size 5.8 inches, 84.8 cm2 (~83.6% screen-to-body ratio). Resolution 1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density). Sound Loudspeaker Yes, with stereo speakers. Features Sensors Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2.