UK galaxy s8: Resolution 1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density). Card slot microSDXC (uses shared SIM slot) - dual SIM model only. Sensors Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2. Charging 15W wired, QC2. Internal 64GB 4GB RAM.