Realme C21
Price in Bangladesh
Official ৳10,990 Available · brand warranty
Official ৳11,990 Available · brand warranty
2 variants
Prices checked 4 March 2026. Official or unofficial: which to buy?
Key specifications
- Display
- 6.52″ IPS LCD
- Chipset
- MediaTek Helio G35
- RAM
- 3GB / 4GB
- Storage
- 32GB / 64GB
- Rear camera
- 13MP Triple
- Selfie camera
- 5MP
- Battery
- 5,000mAh
- Charging
- 10W
- Network
- 2G, 3G, 4G
- OS
- Android v10
- Weight
- 209g · 9.8mm
Realme C21 overview
The Realme C21 is a smartphone from Realme, released in March 2021. It comes with a 6.52-inch IPS LCD display, the MediaTek Helio G35 chipset, 3GB / 4GB of RAM and 32GB / 64GB of storage. For photography there is a 13MP triple rear camera and a 5MP selfie camera. A 5,000mAh battery powers the phone, with 10W fast charging. The official price of the Realme C21 in Bangladesh starts at ৳10,990.
What's good
What's not
- Entry-level chipset, not for heavy gaming
- Only 60Hz display
- Slow 10W charging
- Limited storage
- No 3.5mm headphone jack
Realme C21 full specifications
Launch
| Brand | Realme |
|---|---|
| Model | C21 |
| Device Type | Smartphone |
| Release Date | 5 March 2021 |
| Status | Available |
Platform
| 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 |
Rear 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 |
Body & 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 |
| Quick 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 |
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 |
Audio & Media
| 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 |
Specifications may differ by region or variant. Spotted a mistake? Let us know.
Frequently asked questions
What is the price of Realme C21 in Bangladesh?
The official price of Realme C21 in Bangladesh starts at ৳10,990.
Does Realme C21 support 5G?
No, Realme C21 does not support 5G. It works on 2G, 3G, 4G networks.
How big is the battery of Realme C21?
Realme C21 has a 5000mAh battery with 10W fast charging.
Is Realme C21 waterproof?
Realme C21 has Splash proof protection.
Which processor does Realme C21 use?
Realme C21 is powered by the MediaTek Helio G35 (Octa core, 2.3 GHz, Cortex A53).
When was Realme C21 released?
Realme C21 was released in March 2021.
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