Samsung Galaxy A91 vs Samsung Galaxy S II comparison

Compare Samsung Galaxy A91
Compare Samsung Galaxy S II
key specs
Display6.70-inch4.30-inch
ProcessorQualcomm Snapdragon 8551.2GHz dual-core
Front Camera32-megapixel 2-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel8-megapixel
RAM8GB1GB
Storage128GB16GB
Battery Capacity4500mAh1650mAh
OSAndroid 10Android 2.3
Resolution1080x2400 pixels480x800 pixels
general
BrandSamsungSamsung
ModelGalaxy A91Galaxy S II
Launched in IndiaNo-
Form factorTouchscreen-
Battery capacity (mAh)45001650
Fast chargingProprietary-
Alternate names-GT-I9100
Release date-April 1, 2011
Dimensions (mm)-125.30 x 66.10 x 8.49
Weight (g)-116.00
Removable battery-Yes
display
Screen size (inches)6.704.30
TouchscreenYesYes
Resolution1080x2400 pixels480x800 pixels
Protection typeGorilla Glass-
hardware
Processorocta-core1.2GHz dual-core
Processor makeQualcomm Snapdragon 855-
RAM8GB1GB
Internal storage128GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)51232
camera
Rear camera48-megapixel + 8-megapixel + 5-megapixel8-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera32-megapixel (f/2.2)2-megapixel
software
Operating systemAndroid 10Android 2.3
SkinOne UI-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYes, v 5.00Yes
USB Type-CYes-
Number of SIMs21
NFC-Yes
Infrared-No
USB OTG-No
Headphones-3.5mm
FM-No
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesNo
GyroscopeYesYes
Barometer-No
Temperature sensor-No

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