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Vivo X21s vs Nokia 3.1 Plus vs Realme 2 vs Nokia 5.1 Plu comparison

 Compare Vivo X21s
Vivo X21s
Compare Nokia 3.1 Plus
Nokia 3.1 Plus
Compare Realme 2
Realme 2
Compare Nokia 5.1 Plus
Nokia 5.1 Plus
key specs
Display6.41-inch6.00-inch6.20-inch5.86-inch
ProcessorQualcomm Snapdragon 660MediaTek Helio P22 Qualcomm Snapdragon 450MediaTek Helio P60
Front Camera24.8-megapixel8-megapixel 8-megapixel 8-megapixel
Rear Camera12-megapixel + 5-megapixel13-megapixel + 5-megapixel 13-megapixel + 2-megapixel 13-megapixel + 5-megapixel
RAM6GB3GB3GB3GB
Storage128GB32GB32GB32GB
Battery Capacity3400mAh3500mAh4230mAh3060mAh
OSAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1Android 8.1
Resolution1080x2340 pixels720x1440 pixels720x1520 pixels720x1520 pixels
general
BrandVivoNokiaRealmeNokia
ModelX21s3.1 Plus25.1 Plus
Release dateNovember 1, 2018October 1, 2018August 1, 2018August 1, 2018
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)157.91 x 75.08 x 7.90156.68 x 76.44 x 8.19156.20 x 75.60 x 8.20149.51 x 71.98 x 8.10
Weight (g)156.00180.00168.00160.00
Battery capacity (mAh)3400350042303060
ColoursStarry Night BlackBlue, White, BalticDiamond Black, Diamond Blue, Diamond RedGloss Black, Gloss White, Midnight Gloss Blue
Launched in India-YesYesYes
Body type-Metal--
Removable battery-No-No
Wireless charging-No-No
display
Screen size (inches)6.416.006.205.86
TouchscreenYesYesYesYes
Resolution1080x2340 pixels720x1440 pixels720x1520 pixels720x1520 pixels
Aspect ratio19.5:918:919:919:9
Protection type--Gorilla Glass-
Pixels per inch (PPI)--271-
hardware
Processorocta-core1.5GHz octa-core (4x2GHz + 4x1.5GHz)1.8GHz octa-core1.8GHz octa-core
Processor makeQualcomm Snapdragon 660MediaTek Helio P22 (MT6762)Qualcomm Snapdragon 450MediaTek Helio P60 (MT6771)
RAM6GB3GB3GB3GB
Internal storage128GB32GB32GB32GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256-256400
Dedicated microSD slot-Yes-No
camera
Rear camera12-megapixel + 5-megapixel13-megapixel (f/2.0, 1.12-micron) + 5-megapixel (f/2.4, 1.12-micron)13-megapixel (f/2.2, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron)13-megapixel (f/2.0) + 5-megapixel
Rear autofocusYesPhase detection autofocus-Phase detection autofocus
Front camera24.8-megapixel8-megapixel (f/2.2, 1.12-micron)8-megapixel (f/2.2, 1.12-micron)8-megapixel (f/2.2)
Rear flash-LEDYesLED
Front flash-No--
Front autofocus---No
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1Android 8.1
Skin--ColorOS 5.1-
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYesYes, v 4.20Yes, v 4.20Yes, v 4.20
Micro-USBYesYesYes-
Headphones3.5mm3.5mm3.5mm3.5mm
Number of SIMs2222
Wi-Fi standards supported-802.11 b/g/n-802.11 a/b/g/n/ac
NFC-No-No
Infrared-No--
USB OTG-Yes-Yes
USB Type-C-No-Yes
FM-Yes-Yes
Active 4G on both SIM cards-Yes-Yes
sim 1
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
SIM Type-Nano-SIMNano-SIMNano-SIM
sim 2
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
SIM Type-Nano-SIMNano-SIMNano-SIM
sensors
Face unlockYesYesYesYes
Fingerprint sensorYesYesYes-
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYes-Yes
Barometer-No--
Temperature sensor-No--
ratings
Overall NDTV Rating-Read ReviewRead ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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