Realme C21 Full Specifications
General
| Brand | Realme |
| Model | C21 (3GB/32GB) |
| Device Type | Smartphone |
| Release Date | 5 March 2021 |
| Status | Available |
Hardware & Software
| Operating System | Android |
| OS Version | v10 |
| User Interface | UI |
| Chipset | MediaTek Helio G35 |
| CPU | Octa core, 2.3 GHz, Cortex A53 |
| CPU Cores | 8 Cores |
| Architecture | 64 bit |
| Fabrication | 12 nm |
| GPU | PowerVR GE8320 |
Display
| Display Type | IPS LCD |
| Screen Size | 6.52 inches (16.56 cm) |
| Resolution | 720x1600 px (HD+) |
| Aspect Ratio | 20:9 |
| Pixel Density | 269 ppi |
| Screen to Body Ratio | 82.2 % |
| Screen Protection | Corning Gorilla Glass v3 |
| Bezel-less Display | Yes with waterdrop notch |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Brightness | 420 nits |
| Refresh Rate | 60 Hz |
| Notch | Waterdrop |
Cameras
Primary Camera
| Camera Setup | Triple |
| Resolution | 13 MP f/2.2, Primary Camera, 2 MP f/2.4, Depth Camera, 2 MP f/2.4, Macro Camera |
| Sensor | CMOS image sensor |
| Autofocus | Phase Detection autofocus |
| Flash | LED Flash |
| Image Resolution | 4128 x 3096 Pixels |
| Settings | Exposure compensation, ISO control |
| Zoom | 4 x Digital Zoom |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR) |
| Aperture | f/2.2 |
| Camera Features | 4 x Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Video Recording | 1920x1080, 1280x720 |
| Video FPS | 30 fps |
Selfie Camera
| Camera Setup | Single |
| Resolution | 5 MP f/2.0, Primary Camera |
| Sensor | CMOS |
| Camera Features | Fixed Focus |
| Video Recording | 1080p |
| Video FPS | 30 fps |
| Aperture | f/2.0 |
Design
| Height | 164.5 mm |
| Width | 75.9 mm |
| Thickness | 9.8 mm |
| Weight | 209 grams |
| Colors | Power Blue, Power Silver |
| Waterproof | Splash proof |
Battery
| Battery type | Li-Ion (Lithium Ion) |
| Capacity | 5000 mAh |
| Wireless Charging | 10W Fast Charging |
| Placement | Non-removable |
Memory
| Internal Storage | 32 GB |
| Storage Type | eMMC 5.1 |
| Expandable Memory | Up to 256 GB |
| USB OTG | Yes |
| RAM | 3 GB |
| RAM Type | LPDDR4X |
Network & Connectivity
| Network | 2G, 3G, 4G |
| SIM Slot | Dual SIM (Nano-SIM, dual stand-by) Splash resistant |
| SIM Size | SIM1: Nano, SIM2: Nano |
| EDGE | Available |
| GPRS | Available |
| VoLTE | Yes |
| Speed | HSPA, LTE |
| SAR Value | Head: 1.045 W/kg, Body: 0.643 W/kg |
| WLAN | Wi-Fi 4 (802.11 b/g/n), MIMO |
| Bluetooth | v5.0 |
| GPS | Yes with A-GPS, Glonass |
| Wi-fi Hotspot | Yes |
| USB | Mass storage device, USB charging, microUSB 2.0 |
Sensors & security
| Light Sensor | Light sensor, Proximity sensor, Accelerometer |
| Fingerprint Sensor | Yes |
| Finger Sensor Position | Rear-mounted |
| Face Unlock | Yes |
Multimedia
| FM Radio | Yes |
| Loudspeaker | Yes |
| Alert Types | Vibration, MP3, WAV ringtones |
| Audio Jack | 3.5 mm |
| Video | 1080p@30fps |
| Document Reader | Yes |
More
| Made By | China |
| Features | Accelerometer, proximity, compass |