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Samsung Galaxy Z Fold 2 vs Samsung Galaxy J7 Duo comparison

 Compare Samsung Galaxy Z Fold 2
Samsung Galaxy Z Fold 2
Compare Samsung Galaxy J7 Duo
Samsung Galaxy J7 Duo
key specs
Display (Primary)7.60-inch-
ProcessorQualcomm Snapdragon 865+Samsung Exynos 7885
Front Camera10-megapixel + 10-megapixel 8-megapixel
Rear Camera12-megapixel + 12-megapixel + 12-megapixel 13-megapixel + 5-megapixel
RAM12GB4GB
Storage256GB32GB
Battery Capacity4500mAh3000mAh
OSAndroid 10Android Oreo
Resolution1768x2208 pixels720x1280 pixels
Display-5.50-inch
general
BrandSamsungSamsung
ModelGalaxy Z Fold 2Galaxy J7 Duo
Release dateSeptember 1, 2020March 1, 2018
Launched in IndiaYesYes
Form factorFoldableTouchscreen
Dimensions (mm)159.20 x 128.20 x 6.90153.50 x 77.20 x 8.20
Weight (g)279.00174.00
Battery capacity (mAh)45003000
Fast chargingProprietary-
Wireless chargingYes-
ColoursMystic Black, Mystic BronzeBlack and Gold
display
Screen size (inches)7.605.50
TouchscreenYesYes
Resolution1768x2208 pixels720x1280 pixels
Aspect ratio-16:9
Pixels per inch (PPI)-267
second display
Screen size (inches)6.20-
TouchscreenYes-
Resolution816x2260 pixels-
hardware
Processorocta-core (1x3.09GHz + 3x2.4GHz + 4x1.8GHz)octa-core (2x2.2GHz + 6x1.6GHz)
Processor makeQualcomm Snapdragon 865+Samsung Exynos 7885
RAM12GB4GB
Internal storage256GB32GB
Expandable storageNoYes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera12-megapixel (f/1.8, 1.8-micron) + 12-megapixel (f/2.2, 1.12-micron) + 12-megapixel (f/2.4)13-megapixel (f/1.9) + 5-megapixel (f/1.9)
Rear autofocusYesYes
Rear flashYesLED
Front camera10-megapixel (f/2.2, 1.22-micron) + 10-megapixel (f/2.2, 1.22-micron)8-megapixel (f/1.9)
Front flash-LED
software
Operating systemAndroid 10Android Oreo
SkinOne UI 2.5-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
USB Type-CYes-
NFC-No
FM-Yes
Number of SIMs-2
sensors
Face unlockYes-
Fingerprint sensorYesYes
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYes-
GyroscopeYes-
BarometerYes-

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