Summary

Technical sheet of realme C21Y

Description

Pros
Cons
  • Battery
  • Price
  • FM Radio
  • Camera quality
  • Low display brightness
  • No 5G

Finding the best price for the realme C21Y is no easy task. Here you will find where to buy the realme C21Y at the best price. Prices are continuously tracked in over 140 stores so that you can find a reputable dealer with the best price

Brand

Brand realme
Best Sellers
Smartphones by realme

realme C21Y prices

Versions and prices
realme C21Y International · 4GB · 64GB $ 112
realme C21Y International · 3GB · 32GB $ 111
realme C21Y India · 4GB · 128GB

Release Date

Release dateJuly 2021, 2 years ago

Design & Materials of realme C21Y

Image gallery

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Structure

Size
76.0 mm164.5 mm9.1 mm
Print 3D Model
Weight 200 g
Usable surface 80 %
Materials Plastic
Colors
Black
Cyan

Screen

Diagonal
6.5"
Type LCD IPS
Aspect Ratio 20:9
Resolution 720 x 1600 px HD+
Density 269 ppi Medium Density
Others
  • Water Drop Notch
  • Brightnes 420 cd/m² (typ)
  • TÜV Rheinland Eye Comfort Certification
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
Best big screen mobilesBest phones with IPS screen
User reviews
Is it a drop-resistant and scratch-resistant smartphone?
7.5

23 reviews

Do you think it's a nice phone?
8.5

23 reviews

Is it comfortable?
8.1

23 reviews

Can you see it well in the sunlight?
6.9

23 reviews

Performance & Hardware of realme C21Y

Processor

Model Unisoc Tiger T610
CPU 2x1.8 GHz CortexA75 + 6x1.8 GHz CortexA55
Type Octa-Core
Nanometer 12 nm
Frequency 1.8 GHz
64 Bits Yes
More smartphones with Unisoc Tiger T610 processor

Graphics

GPU ARM Mali-G52 MP2

RAM

RAM 4 GB
Type LPDDR4X RAM
More smartphones with 4GB RAM memory

Antutu

Score
196.316 Antutu v9
Overall performance better than 57% of devices

Storage

Capacity 128 GB
Type --
SD Slot Yes , Independent SD slot
More smartphones with 128GB of internal storage

Security

Fingerprint Yes, in the back

Sensors

Fingerprint No
Proximity Yes
Light sensor Yes
Accelerometer Yes
Compass Yes
Gyroscope Yes
Others
Notifications LED --
Cooling system No
Gaming buttons No
User reviews
Does it have good sound?
7.9

23 reviews

Does it work smoothly in everyday use?
9.0

23 reviews

What's your experience been with demanding games?
8.2

23 reviews

Camera of realme C21Y

Triple rear camera

Standard
1
Resolution 50 Mpx
Sensor --
Type CMOS
Aperture ƒ/ 1.8
ISO --
Pixel size --
Black & white
2
Resolution
2 Mpx
Sensor
--
Type
--
Aperture
ƒ/ 2.4
Pixel size
--
3
Resolution
2 Mpx
Sensor
--
Type
--
Aperture
ƒ/ 2.4
Pixel size
--
Flash LED
Optical Stabilisation No
Slow Motion Video No, 30 fps
Features
  • Digital zoom
  • Triple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Phase detection autofocus (PDAF)
  • Contrast detection autofocus (CDAF)
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
More smartphones with lens modelMore smartphones with LED

Selfie

Resolution 8 Mpx
Sensor --
Type --
Aperture ƒ/ 2.0
Pixel size --
User reviews
Quality of daytime photos
7.5

23 reviews

Quality of nighttime photos
4.8

23 reviews

Quality of selfies
5.5

23 reviews

Does it have a powerful flash?
7.3

23 reviews

Kimovil Frequency Checker

Network compatibility

Connectivity of realme C21Y

Bands

4G LTE B1 (2100), B3 (1800), B5 (850), B8 (900), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G B1 (2100), B5 (850), B8 (900)
2G B2 (1900), B3 (1800), B5 (850), B8 (900)

SIM card

TypeDual SIM Dual Standby (Nano SIM + Nano SIM)

SIM cards (MiniSIM) can be cut to MicroSIM, MicroSIM can be cut to NanoSIM and a SIM can even be cut to a NanoSIM (although not recommended). Download this SIM Cutting Template and forget about having to ask your operator for a new SIM...

Wi-Fi

Standards 802.11b , 802.11g , 802.11n
Others
  • Wi-Fi Hotspot

Bluetooth

Version Bluetooth 5.0 LELow energy consumption
Profiles
  • A2DP (Advanced Audio Distribution Profile)
  • EDR (Enhanced Data Rate)
  • LE (Low Energy)

Navigation

Supports GPS, A-GPS, GLONASS, Beidou

USB

Charging Yes
Mass Storage Yes
USB On-The-Go (OTG) Yes

SAR

-- --
Others
NFC
No
Audio Jack
Yes
Radio FM
Yes
Computer sync
Yes
OTA sync
Yes
Tethering.
Yes
VoLTE
Yes
User reviews
Does it have good coverage for calls?
8.1

23 reviews

Quality of the GPS
8.0

23 reviews

And the WiFi?
8.5

23 reviews

Battery of realme C21Y

Capacity
5000 mAh
Type Li-Polymer
Fast charge Yes , 18.0W
Others
  • Non-removable
User reviews
How long does the battery last?
  • 17%
    Two days or more
  • 61%
    More than one day
  • 13%
    One day
  • 9%
    Less than a day
  • 0%
    Less than half day

23 reviews

Software of realme C21Y

Software

Operating System Android 11 Red Velvet Cake
RealmeUI (Android 11)
Google Services (official) Yes
More smartphones with RealmeUI (Android 11) operating system
User reviews
Did it come with preinstalled applications?
  • 13%
    It comes with a clean operating system
  • 70%
    It has preinstalled apps but they don't bother me
  • 17%
    It has preinstalled apps that I can't uninstall

23 reviews

Do you regularly receive updates?
  • 25%
    Every two months or less
  • 55%
    Every six months
  • 15%
    Once a year
  • 5%
    Never

23 reviews

User reviews about the realme C21Y

Overall satisfaction
8.5
  • 15
  • 7
  • 1
  • 0
  • 0
23 reviews
  • Screen7.8
  • Performance8.4
  • Camera6.3
  • Connectivity8.2
  • Battery8.6
Want to comment on the realme C21Y?

It'll only take a minute, you'll help people decide.

Latest reviews added

  • It is a good phone with good specifications, but the quality of the selfie camera is poor

    Pros
    • battery
    • Performance
    Cons
    • Camera
    • 7.4
    • Screen8.0
    • Performance9.0
    • Camera5.5
    • Connectivity7.6
    • Battery7.0
  • This smartphones is very Good for a low Price

    A Very Hardly to Get smartphone in low price but Good Quality,
    I have in version 4/64GB, and my opinion is Good CPU and GPU,these CPU Unisoc T610 is very good ti process a dally apps activity, GPU is Mali G52 mp2 that's Usefull to play games Like GENSHIN IMPACT FOR lowest setting, is minimum stutter this is Good,..
    REALME UI R edition is basically AOSP android One,, That's great no lags like MIUI..
    For Camera

    Pros
    • Powerfull CPU
    • For genshin impact is playable
    • LCD Colour Saturation is good
    • Good performance GPS
    • Battery
    • Android 11 update Basically AOSP Rom
    Cons
    • Rear Camera
    • Front camera
    • Speaker not louder
    • No NFC
    • No Radio FM
    • 9.4
    • Screen8.7
    • Performance8.3
    • Camera7.5
    • Connectivity9.0
    • Battery9.0
  • Auto
    Nice comfortable fast and good price

    It seems to me that it is a very good phone, comfortable, simple, a good price, what I was looking for at the time, however currently I want to sell it and I am thinking about buying a little X6 pro or waiting for a little F6 pro

    Pros
    • Comfort and power design
    Cons
    • Not much
    • 9
    • Screen7.2
    • Performance6.6
    • Connectivity7.0
    • Battery5.0

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Last update
April 22, 2024
State
  • Rumor
  • Presell
  • New
  • On Sale
Latest changes
  • New opinion 4 days ago
  • Aliases, Features 7 months ago
?
Ki Cost-effective
Score
No price,
no Ki
  • 4.9 Design & Materials
  • 5.6 Performance & Hardware
  • 5.5 Camera
  • 4.8 Connectivity
  • 7.0 Battery
What is a Ki score?
Ki is an automatic score based on the specifications and prices of devices. It is calculated using over 200 variables to rank smartphones, tablets and other devices from best to worst.
How do we calculate the Ki?

In this case, to determine the score we evaluate 5 general aspects:

  • Design and screen
  • Hardware and performance
  • Camera
  • Connectivity
  • Battery

Once these 5 factors have been rated, we introduce the price variable. This means that any two devices with the same ratings get a different Ki score for quality vs price.

Even a device objectively worse than another may have a higher Ki score if it has a better price.

Does the Ki score change?

The Ki varies as time goes by. As new devices with better specifications enter the market the Ki score of older devices will go down, always being compensated of their decrease in price.