Xiaomi Mi 9 vs Samsung Galaxy A7 (2018) vs Oppo F9 Pro vs Oppo F9 comparison

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key specs
Display6.39-inch6.00-inch6.30-inch6.30-inch
ProcessorQualcomm Snapdragon 8552.2GHz octa-coreMediaTek Helio P60 MediaTek Helio P60
Front Camera20-megapixel 24-megapixel 25-megapixel 16-megapixel
Rear Camera48-megapixel + 12-megapixel + 16-megapixel 24-megapixel + 8-megapixel + 5-megapixel 16-megapixel + 2-megapixel 16-megapixel + 2-megapixel
RAM6GB4GB6GB4GB
Storage128GB64GB64GB64GB
Battery Capacity3300mAh3300mAh3500mAh3500mAh
OSAndroid 9.0Android 8.0Android OreoAndroid Oreo
Resolution1080x2340 pixels1080x2220 pixels1080x2340 pixels1080x2340 pixels
general
BrandXiaomiSamsungOppoOppo
ModelMi 9Galaxy A7 (2018)F9 ProF9
Release dateFebruary 1, 2019September 1, 2018August 1, 2018August 1, 2018
Form factorTouchscreen-TouchscreenTouchscreen
Dimensions (mm)157.50 x 74.67 x 7.61159.80 x 76.80 x 7.50156.70 x 74.00 x 7.90156.70 x 74.00 x 7.90
Weight (g)173.00168.00169.00169.00
Battery capacity (mAh)3300330035003500
Fast chargingProprietary-VOOC-
Wireless chargingYesNo--
ColoursDeep Grey, Holographic Illusion Blue, Holographic IllusionBlack, Blue, Gold, PinkSunrise Red, Twilight Blue, Starry PurpleSunrise Red, Twilight Blue, Starry Purple
Launched in India-YesYesYes
Removable battery-No--
display
Screen size (inches)6.396.006.306.30
TouchscreenYesYesYesYes
Resolution1080x2340 pixels1080x2220 pixels1080x2340 pixels1080x2340 pixels
Protection typeGorilla Glass---
Aspect ratio19.5:918.5:919.5:919.5:9
hardware
Processor2.84GHz octa-core2.2GHz octa-core2GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 855-MediaTek Helio P60 (MT6771)MediaTek Helio P60 (MT6771)
RAM6GB4GB6GB4GB
Internal storage128GB64GB64GB64GB
Expandable storage-YesYesYes
Expandable storage type-microSDmicroSDmicroSD
Expandable storage up to (GB)-512256256
Dedicated microSD slot--Yes-
camera
Rear camera48-megapixel (f/1.75, 0.8-micron) + 12-megapixel (f/2.2, 1.0-micron) + 16-megapixel (f/2.2, 1.0-micron)24-megapixel (f/1.7) + 8-megapixel (f/2.4) + 5-megapixel (f/2.2)16-megapixel (f/1.8) + 2-megapixel (f/2.4)16-megapixel (f/1.8) + 2-megapixel (f/2.4)
Rear autofocusYesYesYes-
Rear flashYesYesYesYes
Front camera20-megapixel (f/2.0, 0.9-micron)24-megapixel (f/2.0)25-megapixel (f/2.0)16-megapixel
Front autofocus-No--
Front flash-Yes--
software
Operating systemAndroid 9.0Android 8.0Android OreoAndroid Oreo
SkinMIUI 10-Color OS 5.2Color OS 5.2
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 5.00Yes, v 4.204.20
NFCYesNoNo-
USB Type-CYes---
Number of SIMs2222
FM-Yes--
Active 4G on both SIM cards-Yes--
Infrared--No-
USB OTG--YesYes
Micro-USB--YesYes
Lightning--No-
Headphones--3.5mm3.5mm
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYesYesYes-
3D face recognitionYes---
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYes--
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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