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Huawei Nova 3i vs Huawei P20 vs Vivo X21 vs Oppo R15 comparison

 Compare Huawei Nova 3i
Huawei Nova 3i
Compare Huawei P20
Huawei P20
Compare Vivo X21
Vivo X21
Compare Oppo R15
Oppo R15
ratings
Overall NDTV RatingRead Review-Read Review-
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display6.30-inch5.80-inch6.28-inch6.28-inch
ProcessorHiSilicon Kirin 710HiSilicon Kirin 970Qualcomm Snapdragon 660MediaTek Helio P60
Front Camera24-megapixel + 2-megapixel24-megapixel12-megapixel 20-megapixel
Rear Camera16-megapixel + 2-megapixel20-megapixel12-megapixel + 5-megapixel 16-megapixel
RAM4GB4GB6GB6GB
Storage128GB128GB128GB128GB
Battery Capacity3340mAh3400mAh3200mAh3450mAh
OSAndroid 8.1Android 8.1 OreoAndroid 8.1Android 8.1
Resolution1080x2340 pixels1080x2244 pixels1080x2280 pixels1080x2280 pixels
general
BrandHuaweiHuaweiVivoOppo
ModelNova 3iP20X21R15
Release dateJuly 1, 2018March 1, 2018March 1, 2018March 1, 2018
Launched in IndiaYes-Yes-
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)157.60 x 75.20 x 7.60149.10 x 70.80 x 7.65154.50 x 74.80 x 7.40155.10 x 75.20 x 7.40
Weight (g)169.00165.00156.20175.00
Battery capacity (mAh)3340340032003450
ColoursBlack, Purple, WhiteBlack, Midnight Blue, Champagne Gold, Pink Gold, TwilightBlack, GoldSnow White, Hot Red, Star Purple
Removable battery--No-
Fast charging--Proprietary-
display
Screen size (inches)6.305.806.286.28
TouchscreenYesYesYesYes
Resolution1080x2340 pixels1080x2244 pixels1080x2280 pixels1080x2280 pixels
Aspect ratio19.5:9-19:9-
Pixels per inch (PPI)409428--
hardware
Processorocta-core (4x2.2GHz + 4x1.7GHz)1.8GHz octa-core2.2GHz octa-core2GHz octa-core
Processor makeHiSilicon Kirin 710HiSilicon Kirin 970Qualcomm Snapdragon 660MediaTek Helio P60 (MT6771)
RAM4GB4GB6GB6GB
Internal storage128GB128GB128GB128GB
Expandable storageYes-YesYes
Expandable storage typemicroSD-microSDmicroSD
Expandable storage up to (GB)256-256256
camera
Rear camera16-megapixel (f/2.2) + 2-megapixel20-megapixel12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)16-megapixel
Rear autofocusPhase detection autofocus-Phase detection autofocus-
Rear flashYesYesLEDLED
Front camera24-megapixel (f/2.0) + 2-megapixel24-megapixel12-megapixel (f/2.0)20-megapixel
software
Operating systemAndroid 8.1Android 8.1 OreoAndroid 8.1Android 8.1
SkinEMUI 8.2EMUI 8.1FunTouch 4.0ColorOS 5.0
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYes-YesYes
BluetoothYes, v 4.20YesYes, v 5.00Yes, v 4.20
Micro-USBYes-Yes-
FMYes-No-
Number of SIMs2222
Wi-Fi DirectYes--Yes
NFC-YesNo-
Infrared--No-
USB OTG--Yes-
Headphones--3.5mm-
sim 1
SIM TypeNano-SIM-Nano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sim 2
SIM TypeNano-SIM-Nano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sensors
Fingerprint sensorYes-Yes-
Compass/ MagnetometerYes-Yes-
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYes-Yes-

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