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Samsung Z1 vs Samsung Galaxy A7 Duos vs Samsung Galaxy E7 comparison

 Compare Samsung Z1
Samsung Z1
Compare Samsung Galaxy A7 Duos
Samsung Galaxy A7 Duos
Compare Samsung Galaxy E7
Samsung Galaxy E7
key specs
Display4.00-inch5.50-inch5.50-inch
Processor1.2GHz dual-coreQualcomm Snapdragon 6151.2GHz quad-core
Front Camera0.3-megapixel5-megapixel5-megapixel
Rear Camera3.1-megapixel13-megapixel13-megapixel
RAM768MB2GB2GB
Storage4GB16GB16GB
Battery Capacity1500mAh2600mAh2950mAh
OSTizen 2.3Android 4.4Android 4.4
Resolution480x800 pixels1080x1920 pixels720x1280 pixels
general
BrandSamsungSamsungSamsung
ModelZ1Galaxy A7 DuosGalaxy E7
Release dateJanuary 1, 2015-January 1, 2015
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)120.40 x 63.20 x 9.70151.00 x 76.20 x 6.30151.30 x 77.20 x 7.30
Weight (g)112.00141.00-
Battery capacity (mAh)150026002950
Removable batteryYesNoNo
Colours-White, Gold, Black-
display
Screen size (inches)4.005.505.50
TouchscreenYesYesYes
Resolution480x800 pixels1080x1920 pixels720x1280 pixels
Pixels per inch (PPI)-401267
hardware
Processor1.2GHz dual-core1GHz octa-core1.2GHz quad-core
RAM768MB2GB2GB
Internal storage4GB16GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)646464
Processor make-Qualcomm Snapdragon 615-
camera
Rear camera3.1-megapixel13-megapixel13-megapixel
Rear flashYesLEDLED
Front camera0.3-megapixel5-megapixel5-megapixel
software
Operating systemTizen 2.3Android 4.4Android 4.4
Skin-TouchWiz UI-
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n802.11 a/b/g/n
GPSYesYesYes
BluetoothYes, v 4.10Yes, v 4.00Yes, v 4.00
NFCNoNoNo
InfraredNoNoNo
USB OTGNoNoNo
Headphones3.5mm3.5mm3.5mm
FMYesYesYes
Number of SIMs222
Wi-Fi DirectNoYesYes
Mobile High-Definition Link (MHL)NoNoNo
sim 1
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTENoYesYes
SIM Type-Nano-SIM-
sim 2
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTENoYesNo
SIM Type-Nano-SIM-
sensors
Compass/ MagnetometerNoYesNo
Proximity sensorNoYesYes
AccelerometerYesYesYes
Ambient light sensorNoYesNo
GyroscopeNoNoNo
BarometerNoNoNo
Temperature sensorNoNoNo
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