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Redmi 9 vs Xiaomi Redmi 4 comparison

 Compare Redmi 9
Redmi 9
Compare Xiaomi Redmi 4
Xiaomi Redmi 4
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.53-inch5.00-inch
ProcessorMediaTek Helio G35Qualcomm Snapdragon 435
Front Camera5-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 13-megapixel
RAM4GB3GB
Storage64GB32GB
Battery Capacity5000mAh4100mAh
OSAndroid 10Android 6.0.1
Resolution720x1600 pixels720x1280 pixels
general
BrandXiaomiXiaomi
ModelRedmi 9Redmi 4
Release dateAugust 27, 2020November 1, 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)164.90 x 77.07 x 9.00139.30 x 69.90 x 8.65
Weight (g)196.00150.00
Battery capacity (mAh)50004100
Fast chargingProprietary-
ColoursCarbon Black, Sporty Orange, Sky BlueGold, Black
Removable battery-No
display
Screen size (inches)6.535.00
TouchscreenYesYes
Resolution720x1600 pixels720x1280 pixels
Aspect ratio20:916:9
Protection type-Gorilla Glass
Pixels per inch (PPI)-296
hardware
Processorocta-core1.4GHz octa-core
Processor makeMediaTek Helio G35Qualcomm Snapdragon 435
RAM4GB3GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512128
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera5-megapixel (f/2.2, 1.12-micron)5-megapixel
software
Operating systemAndroid 10Android 6.0.1
SkinMIUI 12MIUI 8
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.10
Micro-USBYesYes
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
NFC-No
Infrared-Yes
USB OTG-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYes-
Fingerprint sensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-Yes
Gyroscope-Yes
Barometer-No
Temperature sensor-No

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