Realme C21 vs Redmi Note 7S comparison

Compare Realme C21
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ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.50-inch6.30-inch
ProcessorMediaTek Helio G35Qualcomm Snapdragon 660
Front Camera5-megapixel 13-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 48-megapixel + 5-megapixel
RAM3GB, 4GB3GB
Storage32GB, 64GB32GB
Battery Capacity5000mAh4000mAh
OSAndroid 10Android Pie
Resolution720x1600 pixels1080x2340 pixels
general
BrandRealmeXiaomi
ModelC21Redmi Note 7S
Release dateApril 8, 2021May 20, 2019
Launched in IndiaYesYes
Dimensions (mm)165.20 x 76.40 x 8.90159.21 x 75.21 x 8.10
Weight (g)190.00186.00
Battery capacity (mAh)50004000
ColoursCross Black, Cross BlueOnyx Black, Ruby Red, Sapphire Blue
Form factor-Touchscreen
Body type-Glass
Removable battery-No
Fast charging-Quick Charge 4+
SAR value-1.60
display
Screen size (inches)6.506.30
TouchscreenYesYes
Resolution720x1600 pixels1080x2340 pixels
Protection type-Gorilla Glass
Aspect ratio-19.5:9
Pixels per inch (PPI)-409
hardware
Processorocta-core2.2GHz octa-core (4x2.2GHz + 4x1.8GHz)
Processor makeMediaTek Helio G35Qualcomm Snapdragon 660
RAM3GB, 4GB3GB
Internal storage32GB, 64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
Dedicated microSD slotYesNo
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)48-megapixel (f/1.79, 1.6-micron) + 5-megapixel
No. of Rear Cameras3-
Front camera5-megapixel (f/2.2)13-megapixel (f/2.0, 1.12-micron)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-LED
Front flash-No
software
Operating systemAndroid 10Android Pie
SkinRealme UIMIUI 10
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
Infrared-Yes
USB OTG-Yes
USB Type-C-Yes
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Face unlock-Yes
Gyroscope-Yes
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