Technology News
English Edition

Realme C21Y vs Oppo A3s (4GB RAM, 64GB) comparison

 Compare Realme C21Y
Realme C21Y (4GB RAM, 64GB)
Compare Oppo A3s (4GB RAM, 64GB)
Oppo A3s (4GB RAM, 64GB)
key specs
Display6.50-inch6.20-inch
ProcessorUnisoc T610Qualcomm Snapdragon 450
Front Camera5-megapixel 8-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 13-megapixel + 2-megapixel
RAM3GB, 4GB4GB
Storage32GB, 64GB64GB
Battery Capacity5000mAh4230mAh
OSAndroid 11Android 8.1 Oreo
Resolution720x1600 pixels720x1520 pixels
general
BrandRealmeOppo
ModelC21YA3s
Release dateJuly 14, 2021-
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)164.50 x 76.00 x 9.10156.20 x 75.60 x 8.20
Weight (g)200.00168.00
Battery capacity (mAh)50004230
Fast chargingProprietary-
ColoursCross Black, Cross BlueNebula Red, Ocean Blue, Purple, Red
display
Screen size (inches)6.506.20
TouchscreenYesYes
Resolution720x1600 pixels720x1520 pixels
Aspect ratio20:919:9
hardware
Processorocta-core1.8GHz octa-core
Processor makeUnisoc T610Qualcomm Snapdragon 450
RAM3GB, 4GB4GB
Internal storage32GB, 64GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)13-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras3-
Rear autofocusYesYes
Rear flashYesLED
Front camera5-megapixel (f/2.4)8-megapixel (f/2.2)
No. of Front Cameras1-
software
Operating systemAndroid 11Android 8.1 Oreo
SkinRealme UIColorOS 5.1
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.20
Micro-USBYesYes
Headphones3.5mm3.5mm
Number of SIMs2-
Wi-Fi Direct-Yes
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYes-

Related Comparisons

Popular Mobile Brands
RELATED STORIES

Advertisement

TRENDING
  1. Interstellar Visitor 3I/ATLAS Brightens Faster Than Expected, Surprising Scientists Interstellar Visitor 3I/ATLAS Brightens Faster Than Expected, Surprising Scientists
  2. Oppo Reno 15 Appears on Geekbench With MediaTek Dimensity 8450 SoC Oppo Reno 15 Appears on Geekbench With MediaTek Dimensity 8450 SoC
  3. Samsung Galaxy S26 Ultra Said to Get a Major Design Upgrade Samsung Galaxy S26 Ultra Said to Get a Major Design Upgrade
  4. NASA Confirms Plans to Retire and Deorbit the ISS Over Point Nemo NASA Confirms Plans to Retire and Deorbit the ISS Over Point Nemo
Gadgets 360 is available in
Follow Us
Download Our Apps
App Store App Store
Available in Hindi
App Store
© Copyright Red Pixels Ventures Limited 2025. All rights reserved.
Trending Products »
Latest Tech News »