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Realme C21 vs Tecno Spark 6 Air comparison

 Compare Realme C21
Realme C21
Compare Tecno Spark 6 Air
Tecno Spark 6 Air
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.50-inch7.00-inch
ProcessorMediaTek Helio G35MediaTek Helio A22
Front Camera5-megapixel 8-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 13-megapixel + 2-megapixel
RAM3GB, 4GB2GB
Storage32GB, 64GB32GB
Battery Capacity5000mAh6000mAh
OSAndroid 10Android 10
Resolution720x1600 pixels720x1640 pixels
general
BrandRealmeTecno
ModelC21Spark 6 Air
Release dateApril 8, 2021July 30, 2020
Launched in IndiaYesYes
Dimensions (mm)165.20 x 76.40 x 8.90174.68 x 79.36 x 9.30
Weight (g)190.00-
Battery capacity (mAh)50006000
ColoursCross Black, Cross BlueComet Black, Ocean Blue
Form factor-Touchscreen
display
Screen size (inches)6.507.00
TouchscreenYesYes
Resolution720x1600 pixels720x1640 pixels
Aspect ratio-20.5:9
hardware
Processorocta-corequad-core
Processor makeMediaTek Helio G35MediaTek Helio A22 (MT6761)
RAM3GB, 4GB2GB
Internal storage32GB, 64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2561000
Dedicated microSD slotYesYes
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)13-megapixel (f/1.8) + 2-megapixel
No. of Rear Cameras3-
Front camera5-megapixel (f/2.2)8-megapixel (f/2.0)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
Pop-Up Camera-No
software
Operating systemAndroid 10Android 10
SkinRealme UIHIOS 6.2
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n-
GPSYes-
BluetoothYes, v 5.00Yes, v 5.00
Micro-USBYes-
Headphones3.5mm-
Number of SIMs22
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/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes

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