





Realme C21
Realme C21 price in India starts from ₹6,490. It was available at lowest price on Flipkart in India as on Nov 23, 2025. Take a look at Realme C21 detailed specifications and features.
| Specification | Value |
|---|---|
| CPU | 2.3 GHz, Octa Core Processor |
| Internal Memory | 32 GB |
| Display | 6.5 inches, 1600 x 720 pixels, 60 Hz |
| RAM | 3 GB |
| Battery | 5000 mAh, Li-Po Battery |
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Features
- Dual Sim, 3G, 4G, VoLTE, Wi-Fi
- Helio G35, Octa Core, 2.3 GHz Processor
- 3 GB RAM, 32 GB inbuilt
- 5000 mAh Battery
- 6.5 inches, 1600 x 720 px Display with Water Drop Notch
- 13 MP + 2 MP + 2 MP Triple Rear & 5 MP Front Camera
- Memory Card Supported, upto 256 GB
- Android v10
Realme C21 Specs
- Android v10, upgradable to v11Good
- Thickness: 8.9 mmThick
- 190 gAverage
- Rear Fingerprint Sensor
- 6.5 inch, IPS LCD ScreenSmall
- 1600 x 720 pixelsAverage
- 269 ppiAverage
- 120 Hz Touch , Sunlight Screen Support, COG Sealing Process, WideVine L3
- 60 Hz Refresh Rate, 120 Hz Touch Sampling Rate
- Water Drop Notch Display
- 13 MP + 2 MP + 2 MP Triple Rear CameraAverage
- 720p HD Video Recording
- 5 MP Front CameraAverage
- CMOS Sensor
- MediaTek Helio G35 Chipset
- 2.3 GHz, Octa Core ProcessorFastest
- 3 GB RAMAverage
- 32 GB Inbuilt MemorySmall
- Dedicated Memory Card Slot, upto 256 GB
- 4G, VoLTE
- Bluetooth v5.0, WiFi
- microUSB
- 5000 mAh BatteryAverage
- Reverse Charging
- No FM Radio
- Not Water Proof
Realme C21 Prices

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Realme C21 Details
Realme C21 is loaded with a massive 5,000mAh battery, a 6.5-inch HD+ display, it offers a 13MP triple-rear camera setup, and is driven by an Helio G35 SoC integrated with 3GB of RAM and 32GB of inbuilt storage. Besides, it has a rear-mounted fingerprint sensor, a 3.5mm audio jack, and a micro USB port. Let’s see Realme C21's full specification.
Realme C21 Display and Camera
Realme C21 is equipped with a 6.5-inch HD+ display. It has an IPS LCD screen with a resolution of 720x1600px that amounts to 269PPI. Besides, you get narrow bezels around the display that offer more than 89% of the screen-to-body ratio. The display has a decent size for watching movies and gaming.
The smartphone comes with a 13MP triple-rear camera setup. The primary camera is coupled with two secondary 2MPs of a macro shooter and a mono sensor with autofocus. You get features such as Beauty, Filter, HDR, Panoramic View, Portrait, Time-lapse, Slo-mo, NightScape, Expert, Continuous Capture, etc for a better camera experience. For selfies and video calls, there’s a 5MP camera inside the notch.
Realme C21 Performance and Battery
Realme C21 is powered by Android v10 with its custom Realme UI on top. An entry-level MediaTek Helio G35 octa-core processor drives the phone along with a GE8320 GPU and 3GB of RAM. You can expect to have a fine performance on the phone for basic activities like calling, messaging, browsing, etc. It comes with user-friendly sensors like Magnetic Induction, Light Sensor, Proximity Sensor, Acceleration Sensor.
The phone is backed by a big 5,000mAh battery with power saving mode that offers extra battery life. Also, it supports fast charging that quickly fills the bar. The battery size is ample and it is expected to give a full day of power backup under normal usage.
Realme C21 Storage and Connectivity
Realme C21 comes with 32GB of inbuilt storage for stuffing your apps and games. Also, the storage can be expanded up to 256GB using a micro-sd card.
Connectivity options included are 3G, 4G, and VoLTE feature that enables HD voice calls on supported networks. It has Wi-Fi, Bluetooth 5 that offers a better connectivity range. Besides, you get a 3.5mm headphone jack, and a micro-USB port for charging the phone. For online location tracking, you can use GPS with A-GPS, GLONASS, and Beidou.
User Reviews
Worth every penny
I will say if you are with budget and you want best phone under 8000 then you are at the correct place becozz. U will get best thing under this ... 3gb ram and 32 gb storage with powerful g35 processer the performance of the phone will never make you down .. Also with its 13mp triple camera the photos that are captured is amazing .. I can't express it with my words .. If u say how can 13mp camera can click amazing photo's I would tell you megapixel is just a number and main is the aperture .. so don't go on numbers . I would also appreciate the colour and design of mobile . I am proud of buying realme phone Thank You Flipkart ?
Read More on Flipkart →Classy product
Amazing Mobile, Nice Camara, battery 🔋 backup is too good, love this Mobile. Thank you flipkart.
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5 Comments
Does Realme C21 support memory card?

Yes, Realme C21 support memory card.

How much is battery capacity of Realme C21?

The battery capacity of Realme C21 is 5000mAh.

Does Realme C21 support fast charging?

No, Realme C21 doesn't support fast charging.

What would be the price of Realme C21?

When Realme C21 is launching?
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Realme C21 Full Specs
| Model | RMX3201, C21 |
| Sim Type | Dual Sim, GSM+GSM |
| Dual Sim | Yes |
| Sim Size | Nano+Nano SIM |
| Device Type | Smartphone |
| Release Date | April 8, 2021 |
| Dimensions | 76.4 x 165.2 x 8.9 mm |
| Weight | 190 g |
| Type | Color IPS LCD Screen (16.7M) |
| Touch | Yes, 120 Hz Touch Sampling Rate |
| Size | 6.5 inches, 1600 x 720 pixels, 60 Hz |
| Aspect Ratio | 20:09 |
| PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 89.5% |
| Features | 120 Hz Touch , Sunlight Screen Support, COG Sealing Process, WideVine L3 |
| Notch | Yes, Water Drop Notch |
| RAM | 3 GB |
| Storage | 32 GB |
| Card Slot | Yes, upto 256 GB |
| GPRS | Yes |
| EDGE | Yes |
| 3G | Yes |
| 4G | Yes |
| VoLTE | Yes |
| Wifi | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 |
| USB | Yes, microUSB |
| USB Features | USB on-the-go, USB Charging |
| GPS | Yes |
| Fingerprint Sensor | Yes, Rear |
| Face Unlock | Yes |
| Sensors | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Acceleration Sensor |
| 3.5mm Headphone Jack | Yes |
| Extra Features | Night Shield, Step Tracker, Game Space, APP Market, Theme Store, Clone Phone, Phone Manager, Telephone Number Identification, TUV Rheinland Certified |
| Rear Camera | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono |
| Camera Sensor | CMOS Sensor |
| Auto Focus | Yes |
| Features | Supports 20 Continuous Shooting, Photograph Functions: Night Mode, Panoramic View, Expert, Timelapse, Portrait Mode, HDR, Ultra Macro, AI Beauty, Filter, Chroma Boost, Video Recording Functions: Filter, Slow Motion, HDR |
| Video Recording | 720p, 720P |
| Flash | Yes, LED |
| Front Camera | 5 MP |
| Front Video Recording | 720p |
| OS | Android v10, upgradable to v11 |
| Chipset | MediaTek Helio G35 |
| CPU | 2.3 GHz, Octa Core Processor |
| Core Details | Arm Cortex-A53 |
| GPU | IMG GE8320 |
| Java | No |
| Browser | Yes |
| Yes | |
| Music | AAC, HE-AAC v1, HE-AAC v2, AMR, AWB, MIDI, MP3, OGG VORBIS |
| Video | MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, MKV |
| FM Radio | No |
| Type | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery |
| Reverse Charging | Yes |





























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