Samsung Galaxy Z Fold 3 Specifications Display 7.3-inch (2208 x 1768 pixels) QXGA+ 22.5:18 Dynamic AMOLED 2X Display, 374ppi, 120Hz adaptive refresh rate, 900 nits(HBM), 1200 nits(peak), Corning Gorilla Glass Victus protection Second Display 6.2-inch (2268 x 832 pixels) 24.5:9) HD+ Dynamic AMOLED 2X Cover Display, 387ppi, 120Hz adaptive refresh rate, 1000 nits(HBM), 1500 nits(peak) RAM/Storage 12GB LPDDR5 RAM, 256GB / 512GB (UFS 3.1) storage OS/UI Android 11 with One UI 3.1 SIM Dual SIM (nano + eSIM) Rear Cameras 12MP rear camera with LED Flash, f/1.8 aperture, PDAF, OIS, 12MP Telephoto lens with f/2.4 aperture, PDAF, OIS, 2x optical zoom, up to 10x digital zoom, 12MP 120° Ultra Wide sensor with f/2.2 aperture, Super clear glass with Corning Gorilla Glass with DX Front Camera 10MP cover front-facing camera with f/2.2 aperture 4MP Under display camera with f/1.8 aperture Features Side-mounted Fingerprint sensor, Stereo speakers, Dolby Atmos, Water resistant (IPX8) Dimensions Folded: 67.1 x 158.2 x 16.0mm(Hinge) ~ 14.4mm (Sagging), Unfolded: 128.1 x 158.2 x 6.4mm Processor Octa-Core Qualcomm Snapdragon 888 5nm Mobile Platform Connectivity 5G SA/NSA, Sub6 / mmWave, Dual 4G VoLTE, Wi-Fi 802.11 6E (2.4/5GHz), HE160, MIMO, 1024-QAM, Bluetooth 5.2 LE, Ultra Wide Band, GPS with GLONASS, USB Type-C (Gen 3.2), NFC, MST Battery/Charger 4400mAh battery with 25W wired and 10W wireless (WPC and PMA) charging, 4.5W reverse wireless charging