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OnePlus 7 vs Samsung Galaxy A30 vs Redmi Note 7 vs Xiaomi Mi A2 comparison

 Compare OnePlus 7
OnePlus 7
Compare Samsung Galaxy A30
Samsung Galaxy A30
Compare Redmi Note 7
Redmi Note 7
Compare Xiaomi Mi A2
Xiaomi Mi A2
ratings
Overall NDTV RatingRead ReviewRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.41-inch6.40-inch6.30-inch5.99-inch
ProcessorQualcomm Snapdragon 855-Qualcomm Snapdragon 660Qualcomm Snapdragon 660
Front Camera16-megapixel 16-megapixel 13-megapixel 20-megapixel
Rear Camera48-megapixel + 5-megapixel 16-megapixel + 5-megapixel 12-megapixel + 2-megapixel12-megapixel + 20-megapixel
RAM6GB4GB4GB4GB
Storage128GB64GB64GB64GB
Battery Capacity3700mAh4000mAh4000mAh3000mAh
OSAndroid 9 PieAndroid PieAndroid 9.0Android 8.1 Oreo
Resolution1080x2340 pixels1080x2340 pixels1080x2340 pixels1080x2160 pixels
general
BrandOnePlusSamsungXiaomiXiaomi
Model7Galaxy A30Redmi Note 7Mi A2
Release dateMay 14, 2019February 1, 2019January 1, 2019July 1, 2018
Launched in IndiaYesYesYesYes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Body typeGlass-Glass-
Dimensions (mm)157.70 x 74.80 x 8.20158.50 x 74.70 x 7.70159.21 x 75.21 x 8.10158.70 x 75.40 x 7.30
Weight (g)182.00-185.00168.00
Battery capacity (mAh)3700400040003000
Removable batteryNo-NoNo
Fast chargingProprietaryProprietaryQuick Charge-
Wireless chargingNo-No-
ColoursMirror Grey, Mirror Blue, RedRed, Blue, BlackOnyx Black, Ruby Red, Sapphire BlueBlack, Gold, Lake Blue, Rose Gold
SAR value--0.96-
display
Screen size (inches)6.416.406.305.99
TouchscreenYesYesYesYes
Resolution1080x2340 pixels1080x2340 pixels1080x2340 pixels1080x2160 pixels
Protection typeGorilla Glass-Gorilla Glass-
Aspect ratio19.5:9-19.5:918:9
Pixels per inch (PPI)402-409403
hardware
Processorocta-core-2.2GHzocta-core (4x2.2GHz + 4x1.8GHz)
Processor makeQualcomm Snapdragon 855Samsung Exynos 7904Qualcomm Snapdragon 660Qualcomm Snapdragon 660
RAM6GB4GB4GB4GB
Internal storage128GB64GB64GB64GB
Expandable storageNoYesYesNo
Expandable storage type-microSDmicroSDmicroSD
Expandable storage up to (GB)-512256-
Dedicated microSD slot-YesNo-
camera
Rear camera48-megapixel (f/1.7, 1.6-micron) + 5-megapixel (f/2.4, 1.12-micron)16-megapixel (f/1.7) + 5-megapixel (f/2.2)12-megapixel (f/2.2, 1.25-micron) + 2-megapixel12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)
Rear autofocusPhase detection autofocusYesYesPhase detection autofocus
Rear flashYesYesLEDDual LED
Front camera16-megapixel (f/2.0, 1.0-micron)16-megapixel (f/2.0)13-megapixel (f/2.0, 1.12-micron)20-megapixel (f/2.2, 1.0-micron)
Front autofocusNo---
Front flash---LED
software
Operating systemAndroid 9 PieAndroid PieAndroid 9.0Android 8.1 Oreo
SkinOxygenOSOne UIMIUI 10-
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
GPSYesYesYesYes
BluetoothYes, v 5.00YesYes, v 5.00Yes, v 5.00
NFCYes--Yes
USB OTGYes-YesYes
USB Type-CYesYesYes-
HeadphonesType-C3.5mm3.5mmNo
Number of SIMs2222
Active 4G on both SIM cardsYes-Yes-
FM--Yes-
Wi-Fi Direct---Yes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYes-Yes-
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYes--Yes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYes-YesYes
GyroscopeYes-YesYes

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