REALME C21 Phone
| Network | GSM, WCDMA, LTE, LTE-A, TD-LTE, GPRS, EDGE | |
|---|---|---|
| GSM | 850, 900, 1800, 1900 | |
| WCDMA | 850, 900, 2100 | |
| LTE | 700, 800, 850, 900, 1800, 2100, 2600 | |
| TD-LTE | ||
| GPRS | ||
| EDGE | ||
| EV-DO | ||
| HSPA Speed | Up to 42.2 Mbps Up to 5.76 Mbps | |
| LTE Speed | Up to 300 Mbps Up to 50 Mbps | |
| Display | Primary | IPS LCD 6.52" 1600 x 720 pixels 16M colors 269 ppi, Corning Gorilla Glass 3 |
| Secondary | ||
| Camera | Primary | 13 MP + 2 MP 4128 x 3096 pixels LED flash Third rear camera 2 MP, Aperture (F/2.2, F/2.4, F/2.4), Sensor type: CMOS, 5P lens, Autofocus, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Self-timer, Scene mode, Phase detection autofocus |
| Video | 1920 x 1080 pixels 1080p@30fps | |
| Secondary | 5 MP 2592 x 1944 pixels 1080p@30fps, F/2.2 aperture, (wide), 1/5.0 | |
| CPU | Chipset | MediaTek Helio G35 (12 nm) |
| CPU Speed | 4 x 2.3 GHz + 4 x 1.8 GHz | |
| GPU | Imagination PowerVR GE8320 | |
| Memory | RAM | 3, 4 GB |
| Internal | 32, 64 GB | |
| Memory Card | MicroSD, dedicated slot | |
| OS | System | Android 10 |
| General | SIM | Nano-SIM, Dual-SIM |
| Dimension | 165.2 x 76.4 x 8.9 mm | |
| Weight | 190 g | |
| Released | 2021, March | |
| Announced | 2021, March | |
| Colors | cross black, cross blue | |
| Connectivity | USB | Micro-USB 2.0 OTG 1.3 |
| WI-FI | 802.11 a/b/g/n/ac 1 | |
| Infrared | ||
| NFC | ||
| Hotknot | ||
| HDMI | ||
| GPS | GLONASS, A-GPS, BeiDou, QuickGPS, S-GPS | |
| Bluetooth | 5.0 A2DP, HS, HSP, AVRCP, HFP, HID, MAP, OPP, PAN | |
| Features | Sensors | Proximity, Light, Fingerprint, Accelerometer, Compass |
| Waterproof | ||
| Dustproof | ||
| Shock resistant | ||
| Sound | Headphone | 3.5mm |
| Battery | Capacity | 5000 mAh Li-Ion |
| Stand by | Up to 120 h | |
| Talk time | Up to 3 h |







