Realme C21
$88
Overview
Realme C21 is a budget Android smartphone released in 2021 with a 6.5-inch IPS LCD, MediaTek Helio G35 chipset, 13 main camera, and 5000 mAh battery.
Priced at $88, it targets users seeking budget performance.
Specifications of Realme C21
The display of Realme C21 measures 6.5 inches with IPS LCD technology. Peak brightness reaches 400 nits for excellent outdoor visibility. The screen renders at 720x1600 pixels resolution.
The camera system of Realme C21 features 2 rear cameras: 13 main, 2MP ultrawide. Video recording supports up to 1080p.
The battery of Realme C21 has 5000mAh capacity with 10 wired charging. A full charge takes approximately 240 min minutes.
The performance of Realme C21 is powered by the MediaTek Helio G35 chipset with PowerVR GE8322 GPU. AnTuTu benchmark achieves 131494.
The memory of Realme C21 offers 4GB RAM with 32GB storage options. RAM uses LPDDR4X technology. Storage is eMMC 5.1.
The connectivity of Realme C21 includes 5G support, Wi-Fi Wi-Fi 802.11 b/g/n, and Bluetooth 5.0.
The build of Realme C21 weighs 190g with Plastic frame and Plastic back. Dimensions measure 165.2 x 76.4 x 8.9 mm.
The software of Realme C21 runs Android 10, Realme UI with Realme UI. Software support extends 2 years through 2028.
Compare Realme C21
Frequently Asked Questions about Realme C21
Realme C21 has a 13 camera suitable for casual photography. For professional photography, consider phones with higher-resolution sensors.
Realme C21 with MediaTek Helio G35 can handle casual gaming. For intensive gaming, consider phones with flagship chipsets.
Realme C21 receives 2 years of updates through 2028. Consider this when planning long-term device usage.
Yes, Realme C21 supports 5G connectivity with both Sub-6GHz and mmWave bands for maximum network compatibility and fastest speeds. It works with major 5G carriers globally.
Realme C21 has a 5000mAh battery. This provides all-day battery life with typical usage, often lasting into a second day with moderate use.
Realme C21 at $88 is a budget device offering 5000mAh battery. It's worth buying if you prioritize affordability over premium features.
Realme C21 supports 10 wired charging with full charge in approximately 240 min minutes.
Realme C21 is available in 32GB storage options. Storage is not expandable, so choose your capacity based on your needs.
Realme C21 has a 6.5-inch IPS LCD with 60Hz refresh rate and 400 nits peak brightness. HDR support includes No.
Realme C21 in Category Rankings
See how Realme C21 ranks in these categories:
Verdict
The Realme C21 delivers practical value for users prioritizing affordability over premium features. The phone excels in all-day battery endurance. Pick this phone for essential smartphone functionality, if you prioritize affordability while still needing core features.
Key Specifications
Display
6.5"
Main Camera
13
Chipset
MediaTek Helio G35
Full Specifications
Network
| Technology | GSM / HSPA / LTE |
| 2G Bands | GSM / |
| 3G Bands | HSDPA 850 / 900 / 2100 |
| 4G LTE Bands | LTE |
| 5G Sub-6 Bands | [] |
| 5G mmWave Bands | [] |
| Speed | N/A |
| Carrier Aggregation | |
| SIM | Nano-SIM |
| Dual SIM Mode | Dual SIM |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support |
Launch
| Announced | 2021 |
| Status | Out of Stock |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | $76.35 |
Body & Design
| Dimensions (mm) | 165.2 x 76.4 x 8.9 mm |
| Weight (g) | 190 |
| Build Materials | Back: Plastic |
| Frame | Plastic |
| Back Finish | Plastic |
| Colors | ["Cross Black", "Cross Blue"] |
| IP Rating | N/A |
| Rugged Certifications | N/A |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | 0x0x0 |
| Thermal Solution | Passive |
| Notification/Alert | |
| Haptics | Basic |
Display
| Panel Type | IPS LCD |
| Size (inches) | 6.5 |
| Resolution (px) | 720x1600 pixels |
| Aspect Ratio | 9:20 |
| Pixel Density (ppi) | 270 |
| Screen-to-body Ratio (%) | 81 |
| Refresh Rate (Hz) | 60 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 120 |
| Peak Brightness (nits) | 400 |
| HDR Standards | |
| Color Gamut | sRGB |
| Color Depth | 16 |
| PWM Dimming (Hz) | 60 |
| Glass Protection | N/A |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display |
Platform (SoC)
| OS at Launch | Android 10, Realme UI |
| Update Policy | 2 years |
| Chipset | MediaTek Helio G35 |
| CPU | Octa-Core, 4x Cortex A55 1.6 GHz + 4x Cortex A55 1.2 GHz |
| GPU | PowerVR GE8322 |
| NPU/AI TOPs | 0.3 TOPS |
| ISP Features | Basic |
| Modem | MediaTek Helio G35 |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | N/A |
| Geekbench Multi-Core | N/A |
| AnTuTu Score | 131494 |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | 4GB |
| RAM Type | LPDDR4X |
| Storage | 32GB |
| Storage Type | eMMC 5.1 |
| Storage Speed | eMMC 5.1 |
| Expandable Storage | microSDXC (dedicated slot) |
| Slot Type | microSD |
| USB OTG | |
| Filesystem Encryption | F2FS |
Main Camera System
| Rear Cameras | 2 |
| Main Sensor | 13 |
| Main Sensor Size | 1/3.06" |
| Main Sensor Model | Samsung GM1 |
| Main Lens | f/2.2, 26mm |
| OIS | |
| Autofocus | PDAF |
| Pixel Binning | 1.12µm |
| Ultrawide | 2MP, FOV: 120° |
| Telephoto | N/A |
| Macro | 2 |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | LED |
| Video Resolution | 1080p |
| HDR/Dolby Vision Video | |
| Video Codecs | H.264, H.265 |
| Slow Motion | 720p@120fps |
| Video Stabilization | EIS |
| Night Mode Features | |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | 5 |
| Sensor Size | 1/4" |
| Aperture | f/2.2 |
| AF/OIS | |
| Secondary Front Cam | |
| Front Flash | |
| Video | 1080p@30fps |
| HDR/Dolby Vision | N/A |
| Face Unlock | 2D |
Audio
| Loudspeakers | |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 1 |
| Bluetooth Codecs | AAC, SBC |
| DAC/Amp | N/A |
Connectivity
| Wi-Fi | Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n |
| Bluetooth | 5.0 |
| NFC | |
| IR Blaster | |
| UWB | N/A |
| Positioning | GPS, GLONASS, BDS |
| Dual-Band GNSS | |
| FM Radio | |
| USB | USB 2.0 |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | Fingerprint (Rear-Mounted) |
| 3D Face ID | N/A |
| Accelerometer | |
| Gyroscope | |
| Magnetometer | |
| Proximity Sensor | |
| Ambient Light | |
| Barometer | |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | Basic |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 5000 |
| Type | Li-Ion |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 10 |
| Wired Standard | USB Power Delivery |
| 0-50% Time (mins) | 120 min |
| Full Charge Time | 240 min |
| Wireless Charging | N/A |
| Wireless Standard | N/A |
| Reverse Wireless | N/A |
| Reverse Wired | |
| Charger in Box | 10W |
| Battery Health Features | 500 charge cycles |
Software
| OS at Launch | Android 10, Realme UI |
| Update Window | 2 years |
| UI Skin / Launcher | Realme UI |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | Basic |
| Accessibility | Standard |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | Phone, Charger, USB Cable, SIM Ejector Tool, User Manual |
| Recycled Materials (%) | N/A |
| Repairability Score | B |
| Warranty | N/A |
Reviews & Ratings
186 ratings
Showing 3 of 186 reviews
Alex R.
2 weeks ago
Absolutely love the camera on this phone! The zoom is incredible and the photos are so crisp. Battery life is also a huge plus.
Ben C.
1 month ago
Great performance and beautiful display. My only complaint is that it feels a bit heavy, but you get used to it. Solid phone overall.
Chloe D.
3 months ago
The best phone I've ever owned. It's fast, the software is clean, and the build quality is top-notch. Highly recommend!