| General Information | |
|---|---|
| Model name | Galaxy M21 |
| Model type | Bar |
| Colors |
Blue (Midnight Blue) Black (Raven Black) Green () |
| Announced | 2020, March |
| Released | 2020, March |
| Physical specifications | |
| Dimensions |
Bar: 159.0 x 75.1 x 8.9 mm |
| Weights |
188g |
| Operating system | |
| Operating system | Android 10 |
| One UI version | 2.0 |
| Network | |
| SIM | Dual SIM model |
| SIM card sizes |
Nano-SIM (4FF) |
| Networks |
2G 3G 4G |
| eSIM support | No |
| Display | |
| Kind | Main Display |
| Name | Infinity-U Display |
| Technology | Super AMOLED Display |
| Size | 6.4 inch / 162.56 mm |
| Resolution | FHD+ / 2340x1080 pixels |
| Pixel density | 403 PPI |
| Screen to body ratio | ~84.2% |
| Processor | |
| Related model number(s) | SM-M215F |
| Chipset | Exynos 9611 |
| Clock Speed |
Quad-Core @ 2.30 GHz Quad-Core @ 1.70 GHz |
| Cores | Octa-Core |
| GPU | Mali-G72 MP3 |
| Memory | |
| RAM/ROM sizes |
4 GB RAM with 64 GB ROM 6 GB RAM with 128 GB ROM |
| External memory support | Yes |
| External memory support maximum | 512 GB |
| Sensors | |
| Accelerometer | Yes |
| Proximity sensor | Yes |
| Gyro sensor | Yes |
| Fingerprint sensor | Yes |
| Geomagnetic sensor | Yes |
| Virtual Light Sensing | Yes |
| Video | |
| Max. Video Recording Resolution | 4K UHD video recording at 30 fps (3840x2160) |
| Front Camera | |
| Flash | No |
| Kind | Selfie Camera |
| Megapixels | 20MP |
| Aperture | F2.0 |
| Pixel size | |
| Field of view | |
| Extras | |
| Rear Camera | |
| Flash | Yes |
| Kind | Wide-angle Camera |
| Megapixels | 48MP |
| Aperture | F2.0 |
| Pixel size | 0.8µm |
| Field of view | 80˚ |
| Extras | PDAF |
| Kind | Ultra Wide Camera |
| Megapixels | 8MP |
| Aperture | F2.2 |
| Pixel size | 1.12μm |
| Field of view | 123˚ |
| Extras | |
| Kind | Depth Camera |
| Megapixels | 5MP |
| Aperture | F2.2 |
| Pixel size | |
| Field of view | |
| Extras | |
| Connectivity | |
| ANT+ | No |
| USB version | Type C |
| 3.5mm Headphonejack | Yes |
| Location technology |
BeiDou GPS Glonass Galileo |
| Wi-Fi |
Yes |
| Wi-Fi Direct | Yes |
| NFC | Yes |
| Bluetooth Version | 5.0 |
| Battery | |
| Standard battery capacity | 6000 mAh |
| Removeable battery | No |
| Wired fast charging | Yes |
| Wired fast charging Watt | 15 |
| Wireless fast charging Watt | |
| Wireless power share Watt | |