Xiaomi Mi Mix 4 vs Redmi 9i comparison

Compare Xiaomi Mi Mix 4
Compare Redmi 9i
key specs
Display6.67-inch6.53-inch
ProcessorQualcomm Snapdragon 888+MediaTek Helio G25
Front Camera20-megapixel5-megapixel
Rear Camera108-megapixel + 13-megapixel + 8-megapixel13-megapixel
RAM8GB, 12GB4GB
Storage128GB, 256GB, 512GB64GB
Battery Capacity4500mAh5000mAh
OSAndroid 11Android 10
Resolution1080x2400 pixels720x1600 pixels
general
BrandXiaomiXiaomi
ModelMi Mix 4Redmi 9i
Release dateAugust 10, 2021September 15, 2020
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)162.65 x 75.35 x 8.02164.90 x 77.07 x 9.00
Weight (g)225.00194.00
Battery capacity (mAh)45005000
Fast chargingProprietaryProprietary
ColoursCeramic Black, Ceramic White, Ceramic GrayMidnight Black, Sea Blue, Nature Green
Removable battery-No
display
Screen size (inches)6.676.53
TouchscreenYesYes
Resolution1080x2400 pixels720x1600 pixels
Protection typeGorilla Glass-
Aspect ratio20:920:9
hardware
Processorocta-core1.5GHz octa-core (4x1.5GHz + 4x2GHz)
Processor makeQualcomm Snapdragon 888+MediaTek Helio G25
RAM8GB, 12GB4GB
Internal storage128GB, 256GB, 512GB64GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-512
Dedicated microSD slot-Yes
camera
Rear camera108-megapixel (f/1.95) + 13-megapixel (f/2.2) + 8-megapixel13-megapixel (f/2.2, 1.0-micron)
No. of Rear Cameras3-
Rear autofocusYesYes
Rear flashYesYes
Front camera20-megapixel5-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 11Android 10
SkinMIUI 12.5MIUI
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n
GPSYesYes
BluetoothYes, v 5.20Yes, v 5.00
NFCYes-
USB Type-CYes-
Number of SIMs22
Micro-USB-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sensors
In-Display Fingerprint SensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Face unlock-Yes
Compass/ Magnetometer-Yes
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