Mi A1 vs Xiaomi Redmi 4X vs Apple iPhone 4 comparison

Compare Mi A1
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ratings
Overall NDTV RatingRead Review--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display5.50-inch5.00-inch3.50-inch
ProcessorQualcomm Snapdragon 625Qualcomm Snapdragon 435one-core
Front Camera5-megapixel5-megapixel0.3-megapixel
Rear Camera12-megapixel13-megapixel5-megapixel
RAM4GB2GB512MB
Storage64GB16GB8GB
Battery Capacity3080mAh4100mAh1420mAh
OSAndroid 7.1.2Android MIUI 8iOS 6.1.3
Resolution1080x1920 pixels720x1280 pixels640x960 pixels
general
BrandXiaomiXiaomiApple
ModelMi A1Redmi 4XiPhone 4
Release dateSeptember 1, 2017February 1, 2017June 1, 2010
Launched in IndiaYes--
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)155.40 x 75.80 x 7.30139.24 x 69.96 x 8.65115.20 x 59.00 x 9.30
Weight (g)165.00150.00137.00
Battery capacity (mAh)308041001420
Removable batteryNoNoNo
ColoursRose Gold, Gold, BlackCherry Pink, Champagne Gold, Matte BlackBlack
display
Screen size (inches)5.505.003.50
TouchscreenYesYesYes
Resolution1080x1920 pixels720x1280 pixels640x960 pixels
Aspect ratio16:9--
Pixels per inch (PPI)--326
hardware
Processor2GHz octa-core1.4GHz octa-coreone-core
Processor makeQualcomm Snapdragon 625Qualcomm Snapdragon 435-
RAM4GB2GB512MB
Internal storage64GB16GB8GB
Expandable storageYesYesNo
Expandable storage typemicroSD--
Expandable storage up to (GB)128128-
camera
Rear camera12-megapixel13-megapixel5-megapixel
Rear flashDual LEDLEDLED
Front camera5-megapixel5-megapixel0.3-megapixel
software
Operating systemAndroid 7.1.2Android MIUI 8iOS 6.1.3
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n-
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 2.10
NFCNoNoNo
InfraredYesNoNo
USB OTGYesYesNo
USB Type-CYes--
Headphones3.5mm3.5mm3.5mm
FMNoNoNo
Number of SIMs221
Wi-Fi DirectNoNoNo
Mobile High-Definition Link (MHL)NoNoNo
sim 1
SIM TypeNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesNo
sim 2
SIM TypeNano-SIMMicro-SIM-
GSM/CDMAGSMGSM-
3GYesYes-
4G/ LTEYesYes-
sensors
Fingerprint sensorYes--
Compass/ MagnetometerYesNoYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
BarometerNoNoNo
Temperature sensorNoNoNo

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