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Samsung Galaxy J7 (2017) vs Xiaomi Redmi 4 vs Xiaomi Redmi Note 3 comparison

 Compare Samsung Galaxy J7 (2017)
Samsung Galaxy J7 (2017)
Compare Xiaomi Redmi 4
Xiaomi Redmi 4
Compare Xiaomi Redmi Note 3
Xiaomi Redmi Note 3
key specs
Display5.50-inch5.00-inch5.50-inch
ProcessorSamsung Exynos 7 Octa 7870Qualcomm Snapdragon 435Qualcomm Snapdragon 650
Front Camera13-megapixel 5-megapixel5-megapixel
Rear Camera13-megapixel 13-megapixel16-megapixel
RAM3GB3GB2GB
Storage16GB32GB16GB
Battery Capacity3600mAh4100mAh4050mAh
OSAndroid 7.0Android 6.0.1Android 5.1
Resolution1080x1920 pixels720x1280 pixels1080x1920 pixels
general
BrandSamsungXiaomiXiaomi
ModelGalaxy J7 (2017)Redmi 4Redmi Note 3
Release dateJune 1, 2017November 1, 2016November 1, 2015
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)146.30 x 71.30 x 7.90139.30 x 69.90 x 8.65150.00 x 76.00 x 8.65
Battery capacity (mAh)360041004050
Removable batteryYesNoNo
ColoursBlack, GoldGold, BlackGold, Silver, Dark Grey
Launched in India-YesYes
Weight (g)-150.00164.00
SAR value--0.56
display
Screen size (inches)5.505.005.50
TouchscreenYesYesYes
Resolution1080x1920 pixels720x1280 pixels1080x1920 pixels
Aspect ratio16:916:916:9
Protection type-Gorilla Glass-
Pixels per inch (PPI)-296403
hardware
Processor1.6GHz octa-core1.4GHz octa-corehexa-core (4x1.4GHz + 4x1.8GHz)
Processor makeSamsung Exynos 7 Octa 7870Qualcomm Snapdragon 435Qualcomm Snapdragon 650
RAM3GB3GB2GB
Internal storage16GB32GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256128128
camera
Rear camera13-megapixel (f/1.7)13-megapixel16-megapixel (f/2.0)
Rear flashLEDLEDDual LED
Front camera13-megapixel (f/1.9)5-megapixel5-megapixel (f/2.0)
Front flashLED-No
Rear autofocus--Phase detection autofocus
software
Operating systemAndroid 7.0Android 6.0.1Android 5.1
Skin-MIUI 8MIUI 7
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n802.11 a/b/g/n/ac
GPSYesYesYes
BluetoothYes, v 4.10Yes, v 4.10Yes, v 4.10
NFCNoNoNo
InfraredNoYesYes
USB OTGNoYesYes
Micro-USBYesYesYes
FMYesYesYes
Number of SIMs222
Wi-Fi DirectNoNoYes
Mobile High-Definition Link (MHL)NoNoNo
Headphones-3.5mm3.5mm
sim 1
GSM/CDMAGSMGSMGSM
3GNoYesYes
4G/ LTEYesYesYes
SIM Type-Micro-SIMNano-SIM
sim 2
GSM/CDMAGSMGSMGSM
3GNoYesYes
4G/ LTEYesYesYes
SIM Type-Nano-SIMMicro-SIM
sensors
Compass/ MagnetometerNoYesYes
Proximity sensorYesYesYes
AccelerometerNoYesYes
Ambient light sensorNoYesYes
GyroscopeNoYesYes
BarometerNoNoNo
Temperature sensorNoNoNo
Fingerprint sensor-YesYes
ratings
Overall NDTV Rating-Read ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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