| Hardware and OS Samsung Galaxy S21 |
| Operating System: | Android v10 (Q) |
| Custom UI: | Samsung One UI |
| Processor: | Octa core (2.73 GHz, Dual core, M5 Mongoose 2.5 GHz, Dual core, Cortex A76 2 GHz, Quad core, Cortex A55) |
| Chipset: | Samsung Exynos 9 Octa 990 |
| Architecture: | 64 bit |
| RAM: | 12 GB |
| Internal Memory: | 256 GB |
| Expandable Memory: | yes Up to 1 TB |
| Graphics: | Mali-G77 MP11 |
| SIM Slot(s): | Dual SIM, GSM GSM |
| Display Samsung Galaxy S21 |
| Screen Size: | 6.2 inches (15.75 cm) |
| Screen Resolution: | 1440 x 3200 pixels |
| Display Type: | OLED |
| Pixel Density: | 566 ppi |
| Screen Protection: | Corning Gorilla Glass v6 |
| Touch Screen: | yes Capacitive Touchscreen, Multi-touch |
| Main Camera Samsung Galaxy S21 |
| Resolution: | 16 MP Primary Camera
64 MP Telephoto Camera
12 MP, Wide Angle, Ultra-Wide Angle Camera
|
| Image Resolution: | 4616 x 3464 Pixels |
| Flash: | yes LED Flash |
| Camera Features: | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Autofocus: | yes Phase Detection autofocus |
| Optical Image Stabilisation: | yes |
| Shooting Modes: | Continuos Shooting, High Dynamic Range mode (HDR) |
| Settings: | Exposure compensation, ISO control |
| Front Camera Samsung Galaxy S21 |
| Resolution: | 12 MP Primary Camera
|
| Camera Type: | Under display |
| Connectivity Samsung Galaxy S21 |
| Network: | 4G: Available ,
3G: Available, 2G: Available |
| SIM Size: | SIM1: Nano, SIM2: Nano (Hybrid) |
| Bluetooth: | yes v5.0 |
| GPS: | yes with A-GPS, Glonass |
| NFC: | yes |
| VoLTE: | yes |
| Wi-Fi: | yes Wi-Fi 802.11, b/g/n |
| Wi-Fi Features: | Mobile Hotspot |
| USB Connectivity: | Mass storage device, USB charging |
| Multimedia Samsung Galaxy S21 |
| Audio Jack: | 3.5 mm |
| Loudspeaker: | yes |
| Design Samsung Galaxy S21 |
| Height: | 151.7 mm |
| Width: | 71.2 mm |
| Thickness: | 7.9 mm |
| Ruggedness: | Dust proof |
| Waterproof: | yes Water resistant, IP68 |
| Battery Samsung Galaxy S21 |
| Type: | Li-ion |
| Capacity: | 3880 mAh |
| User Replaceable: | No |
| Quick Charging: | yes Fast |
| Quick Charging: | yes |
| USB Type-C: | yes |
| Wireless Charging: | yes |
| Features Samsung Galaxy S21 |
| Fingerprint Sensor: | yes |
| Fingerprint Sensor Position: | On-screen |
| Other Sensors: | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
