Realme C21

Realme C21

Realme C21

The Realme C21 is the successor of the Realme C20 smartphone that was announced around January in Vietnam. This mid-range smartphone comes with a 6.5-inch display, Helio G35, and a 5,000 mAh battery. It was officially launched in Malaysia and below is all the information on its specifications and price.

Realme C21 Key Specs & Features

  • 6.5 inches IPS LCD Display, 720 x 1600 pixels, 20:9 ratio (~270 ppi)
  • Android 10, Realme UI
  • Octa-core MediaTek Helio G35 (12 nm)
  • 3GB, 4GB RAM
  • 32GB, 64GB Built-in Storage up to 128GB Memory Card
  • 13 MP + 2 MP + 2 MP Triple Rear Cameras
  • 5 MP Front Camera
  • Fingerprint (Rear)
  • 4G LTE Network
  • Charging 10W
  • Reverse Charging
  • Non-Removable Li-Po 5000 mAh Battery

Realme C21

Design and Display

The Realme C21 is a nice budget smartphone that parades a decent-looking body design that is built with both glass and plastic. According to the company, the device has received TUV Rheinland certification for high reliability.

It measures 165.2 x 76.4 x 8.9 mm and weighs 190 grams. The front side offers a mini-drop notch with a 6.5-inch screen panel. It has an LCD panel that offers an HD+ resolution of 720 x 1600 pixels and a 20:9 aspect ratio. It also has a screen-to-body ratio of 89.5 percent.


The Realme C21 has a single front camera of the 5-megapixel camera for capturing selfies and video calls. On the back are a 13-megapixel primary camera and a pair of 2-megapixel sensors. The camera has an LED flash for night photos and can also record 1080p videos.

Hardware and Software

The Realme C21 is powered by the Helio G35 chipset which is the same SOC found on the Realme C11, Realme C15, Realme C12, and Realme C20. The chip is based on a 12nm process node and it has an octa-core processor performing at a speed of 4×2.3 GHz. It has 3 GB of RAM and 32 GB of native storage. There is a microSD card slot for additional storage.

Battery and Network

The Realme C21 has a Realme UI-based Android 10 OS with a 5,000mAh battery, which only supports 10W charging. The network connectivity includes dual SIM support, 4G VoLTE, Wi-Fi, Bluetooth, GPS, micro USB, and a 3.5mm audio jack.

Realme C21 Price and Availability

The Realme C21 is now available for sale for MYR 499 (~$123) in Malaysia. In Nigeria, the handset will cost 50,000 Naira, about 13,500 Ksh in Kenya, and 740 Ghs in Ghana. You can get it in Cross Black, and Cross Blue colors.

Realme C21 Specs

Here are a few specs of the Realme C21:

General Features

  • Platform:¬†Android 10, Realme UI
  • Processor:¬†MediaTek Helio G35 (12 nm), Octa-core (4√ó2.3 GHz Cortex-A53 & 4√ó1.8 GHz Cortex-A53)
  • GPU:¬†PowerVR GE8320
  • Memory:¬†3GB, 4GB RAM
  • Colours:¬†Cross Black, Cross Blue
  • Dimension:¬†165.2 x 76.4 x 8.9 mm
  • Weight:¬†190 g
  • SIM Type:¬†Nano-SIM, dual stand-by
  • SIM Count:¬†Dual SIM (Nano-SIM, dual stand-by)


  • Display:¬†6.5 inches IPS LCD Display, 720 x 1600 pixels, 20:9 ratio (~270 ppi)
  • Screen Protection:¬†Yes
  • Foldable Display:¬†No


  • Rear Camera:¬†13 MP, f/2.2, 26mm (wide), 1/3.06‚Ä≥, 1.12¬Ķm, PDAF + 2 MP, f/2.4, (macro) + 2 MP, f/2.4, (depth) Triple Cameras,¬†1080p@30fps
  • Rear Camera Features:¬†LED flash, HDR, panorama
  • Front Camera:¬†5 MP Camera, f/2.2, (wide), 1/5.0‚Ä≥, 1.12¬Ķm, HDR, panorama,¬†1080p@30fps


  • Built-in Storage:¬†32GB, 64GB
  • Memory Card Support:¬†Yes, microSDXC (dedicated slot)
  • Bundled Cloud Storage:¬†Yes

Network Support

  • 2G GSM:¬†Yes, GSM 850 / 900 / 1800 / 1900 ‚Äď SIM 1 & SIM 2
  • 2G CDMA 1X:¬†Yes
  • 3G WCDMA:¬†Yes, HSDPA 850 / 900 / 2100
  • 3G CDMA EVDO:¬†Yes
  • 4G LTE:¬†Yes, 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
  • 5G:¬†No

Internet & Connectivity

  • GPRS:¬†Yes
  • EDGE:¬†Yes
  • 3G/WCDMA/HSPA:¬†Yes
  • HSPA+:¬†Yes
  • CDMA EVDO:¬†Yes
  • 4G LTE:¬†Yes
  • 5G:¬†No
  • WLAN:¬†Wi-Fi 802.11 b/g/n, hotspot
  • Wi-Fi Hotspot:¬†Yes
  • Bluetooth:¬†Bluetooth 5.0, A2DP, LE
  • NFC:¬†No
  • Infrared Blaster:¬†No
  • USB Port:¬†Yes, microUSB 2.0, USB On-The-Go


  • SMS/MMS:¬†Yes
  • Instant Messaging:¬†Yes
  • Push Emails:¬†Yes
  • Email Protocol:¬†Yes


  • Music Player:¬†Yes
  • Video Player:¬†Yes
  • FM Radio:¬†Yes
  • Loudspeaker:¬†Yes
  • 3.5mm Jack:¬†Yes


  • Navigation:¬†Yes, with A-GPS, GLONASS, BDS
  • Maps:¬†Yes

Sensors & Control

  • Digital Compass:¬†Yes
  • Accelerometer:¬†Yes
  • Proximity Sensor:¬†Yes
  • Light Sensor:¬†Yes
  • Barometer:¬†No
  • SpO2:¬†No
  • Pedometer:¬†No
  • Heart Rate Monitor:¬†No
  • Gyroscope:¬†Yes
  • Fingerprint Scanner:¬†Yes (Rear)
  • Iris Scanner:¬†No
  • Face Unlock:¬†Yes
  • Stylus Pen:¬†No
  • Intelligent Digital Assistant:¬†Yes
  • Motion Sensing / Gesture Control:¬†Yes
  • Voice Control:¬†Yes

Other Features

  • Video Streaming:¬†Yes
  • Active Noise Cancellation:¬†Yes
  • Wireless Charging:¬†No
  • Built-in Mobile Payment:¬†No
  • Water Resistant:¬†No
  • Dust Resistant:¬†No
  • Image Editor:¬†Yes
  • Video Editor:¬†Yes
  • Document Viewer:¬†Yes
  • Document Editor:¬†Yes


  • Battery:¬†Li-Po 5000 mAh, non-removable Battery
  • Talktime:¬†‚Äď
  • Standby Time:¬†‚Äď
  • Fast Charging:¬†Charging 10W


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