Realme C21Y
  • 32GB, 64GB Storage / 3GB, 4GB RAM
  • 13MP + 2MP + 2MP Triple lens Primary Camera, 5MP Front Camera
  • 6.5 inches 720 x 1600 pixels Display
  • Unisoc T610 (12 nm), Octa Core
  • Non-Removable Li-Ion 5000 mAh battery

Realme C21Y: Specs Score

  • 2.6
  • 3.5
  • 2.8
  • 3.8
    Value for Money
  • 3
Rated at 63.25%
  • Display: 2.8/5
    Big HD resolution IPS LCD screen
  • Camera : 2.6/5
    Basic triple camera setup
  • Processor : 3/5
    Based on a lower mid-range processor
  • Battery : 3.5/5
    5000 mAh battery
  • RAM : 2.8/5
    Offers 32GB storage with a microSD card slot
  • Storage : 2.8/5
    Offers 32GB storage with a microSD card slot
  • 4G/5G : 4/5
    Does not support 4G network

Realme C21Y: Benchmark Scores

  • AnTuTu
    188794 (v9)
  • GeekBench
    340 (Single Core) - 1308 (Multi Core) (v5)

Realme C21Y: SAR VALUE - 1.6W/Kg (over 1 g)

  • Head
    0.855 W/kg
  • Body
    0.674 W/kg


Realme C21Y: Price

Realme C21Y: Overview

  • FHD+ display
  • Triple cameras
  • 5,000 mAh battery with reverse charging
  • Plastic body
  • Loaded bloatware in OS

Realme C21Y Design

The Realme C21Y has debuted in the Indian market with a couple of unique features and a budget price tag. The phone flaunts a 6.5-inch LCD panel with 720 x 1600 pixels HD+ resolution. The display also offers a 20:9 aspect ratio, giving it a tall frame. The Realme C21Y is available in two colors of Cross Black and Cross Blue where the rear panel packs a unique double shaded design.


Realme C21Y Hardware Performance

Under the hood, the Realme C21Y draws power from the octa-core Unisoc T610 SoC is paired with the Mali-G52 GPU. The processor offers up to 4GB of RAM and up to 64GB onboard storage that can be expanded via a microSD slot. The Unisoc chipset comes in a contrast to the MediaTek G35 processor that was found on the first-gen Realme C21. Nevertheless, the Unisoc chipset makes a good impression, offering a smooth smartphone experience.


Realme C21Y Camera Performance

The Realme C21Y packs a couple of interesting camera upgrades. The phone packs a triple-camera setup with a 13MP primary camera with two 2MP sensors for macro and black & white shots. Additionally, there’s a 5MP camera for selfies and video calling. The phone packs new camera features such as Super Nightscape mode, Chroma Boost, Slow Motion, 1080P video recording, Portrait mode, AI Beauty, and so on.


Realme C21Y Price-To-Specs Ratio

The Realme C21Y price starts in India at Rs. 8,999 for the 3GB RAM + 32GB storage variant and Rs. 9,999 for the 4GB RAM + 64GB storage model. For the asking price, the Realme C21Y is up against several budget offerings from brands like Redmi, Samsung, Infinix, and so on. However, the Unisoc T610 chipset makes it stand out from the crowd.


Realme C21Y Important Features/Highlights

There are a couple of extra features on the Realme C21Y. The phone gets its juice from a 5,000 mAh battery paired with reverse charging support. It packs the usual connectivity options like 4G, Wi-Fi, Bluetooth, and so on. Also, the Realme C21Y runs the latest Android 11 OS topped with the Realme custom OS.


Realme C21Y Verdict

The Realme C21Y packs the same chipset as the Micromax In 2b, upping the competition in this segment. However, the triple cameras, reverse charging for the huge battery, and the FHD+ display is key highlights on the Realme C21Y. if you’re looking for a phone under Rs. 10K, this phone is quite good to choose from.

Realme C21Y: Specifications

Operating System Android OS,11
Custom UI Realme UI
Device type Phablet
Sim Dual Sim
Colours Cross Black, Cross Blue
Status Available in India
Global Release Date July, 2021
Indian Release Date 23 August, 2021
Dimensions 164.2 x 76.4 x 8.9 mm
Weight 190 g
Screen size 6.5 inches
Technology IPS LCD
Screen resolution 720 x 1600 pixels
Touchscreen Capacitive Touchscreen
Form Factor Touch
Chipset Unisoc T610 (12 nm)
CPU Octa-core (Dual Core Cortex A75 and Six Core Cortex A55)
GPU Mali-G52
Internal Storage 32GB (eMMC 5.1) Storage
External Storage upto 256 GB
Card Slot microSD Card (dedicated slot)
Phonebook Unlimited
Messaging SMS, MMS, Email, Push Email
Call Records Unlimited
Primary camera 13 MP (f/2.2, primary) + 2 MP (f/2.4, macro) + 2 MP (f/2.4,depth) Triple Camera with LED Flash
Front Camera 5 MP (f/2.4) Camera
Video Recording 1080p@30fps
Camera Features HDR, AR sticker, Slow Motion, Portrait Mode, Beauty Mode, AI Camera
Audio Player MP3, eAAC+, WMA, WAV, FLAC
Video Player MP4, H.263, H.264, WMV
Games Yes
Speakers Yes
Audio Jack 3.5mm Audio Jack
Type Non-Removable Li-Ion 5000 mAh battery
Edge Yes
WLAN Wi-Fi 802.11 b/g/n, hotspot
Bluetooth v5.0, A2DP, LE
USB microUSB v2.0, USB OTG
GPS Facility with A-GPS/AGPS/ GLONASS/ Beidou
Browser HTML5
2G GSM 850 / 900 / 1800 / 1900 MHz
3G HSDPA 850 / 900 / 1900 / 2100 MHz
4G Dual VoLTE
Sensors Fingerprint Sensor (rear-mounted), Proximity sensor, Accelerometer, Compass
Other Features Reverse Charging, Face unlock

Realme C21Y: FaQs

What is the capacity of the battery on the Realme C21Y?

The phone is powered by a 5,000 mAh battery capacity along with supports for reverse charging facility.

What colors are available for the Realme C21Y?

Realme C21Y is available in Cross Black and Cross Blue Color.

How is the rear camera of the Realme C21Y?

The phone offers a triple-camera module at the rear that offers a 13MP primary wide-angle lens, 2MP B&W lens, and a 2MP macro lens. For the asking price, this is a pretty good camera setup with a triple lens.

How many RAM variants are there in the Realme C21Y?

The device is available with either 3GB or 4GB LPDDR4x RAM.

How is the front camera of the Realme C21Y?

The phone offers 5MP AI selfie camera with an f/2.4 aperture and it can record 1080 videos at 30fps. At this range it is quite good.

Is there is a microSD card slot on the Realme C21Y?

Yes, the smartphone supports memory expansion via a dedicated microSD card slot with support for up to 256GB.

What is the Android version on the Realme C21Y?

The smartphone runs on realme UI based on Android 11.

Is there a fingerprint reader on the Realme C21Y?

Yes, the smartphone features a rear-mounted fingerprint sensor.

Is Realme C21Y waterproof?

No, Realme C21Y does not hold any IP certification and we can’t expect that on a phone of this class.

What is the integrated processor in the Realme C21Y?

The smartphone is based on the UNISOC T610 octa-core processor.

Realme C21Y competitors?

Micromax In 2b, Poco C3, and Redmi 9 Prime can be considered as the Realme C21Y competitors.

What features lacks with Realme C21Y?

The smartphone has a low-resolution 720p display and there is no fast-charging support too.

Should I buy the Realme C21Y?

Yes, if you are looking for a phone under Rs. 9,000 for normal day-to-day usage, then can consider the Realme C21Y.

Does the Realme C21Y passes the TUV Rheinland Smartphone High Reliability Certification?

Yes, the smartphone passes TUV Rheinland Smartphone High Reliability Certification.

Does the Realme C21Y have a notch display?

Yes, the smartphone comes with HD+ dewdrop display that measures 6.5-inch and features a geometric art design for the back panel.

How do we rate a Device?

Rating a smartphone is a tedious process and a lot of parameters have to be considered before judging the overall performance of the device such as display, camera, processor, RAM, storage, battery, and the pricing.

So, here are how these specs will affect the real-life usage of a device and why how we meticulously consider each of these points to rate a smartphone.


Cameras have evolved a lot over the last few years and multi-camera setup is a new norm. We consider various parameters like MP count, aperture size, pixel size, image stabilization to rate a camera system of a smartphone out of 5. Any device that scores more than 3.5 can take good photos and videos and if a phone scores over 4, then it will be one of the best camera smartphones in the market.


Though battery seems like an underrated feature and we look at the battery capacity, fast charging supporting technology, and even the wireless charging capability is also taken into consideration to rate smartphone's battery capability.


The display is the face of a smartphone. And there are a lot of parameters like the panel technology (IPS LCD, OLED, TFT) and other parameters also taken into consideration like the resolution, pixel density, and refresh rate.

Value for Money

A smartphone could have great specs, but if it is not priced well then you might not get the best value-for-money. So, we compare a smartphone with the contemporaries to rate the value-for-money of a device out of 5.


This aspect is decided on various sub specifics, such as availability of microSD card slot, the amount of RAM the device offers, processor capability, and the network support. This parameter has more weightage when compared to other departments.

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