Samsung Galaxy A51 vs Samsung Z4 comparison

Compare Samsung Galaxy A51
Compare Samsung Z4
key specs
Display6.50-inch4.50-inch
Front Camera32-megapixel 5-megapixel
Rear Camera48-megapixel + 12-megapixel + 5-megapixel + 5-megapixel 5-megapixel
RAM4GB1GB
Storage64GB8GB
Battery Capacity4000mAh1050mAh
OSAndroid 10Tizen 3.0
Resolution1080x2400 pixels480x800 pixels
Processor-1.5GHz quad-core
general
BrandSamsungSamsung
ModelGalaxy A51Z4
Release date13th December 2019May 2017
Form factorTouchscreenTouchscreen
Dimensions (mm)158.50 x 73.60 x 7.90132.90 x 69.20 x 10.30
Weight (g)172.00143.00
Battery capacity (mAh)40001050
Fast chargingProprietary-
ColoursPrism Crush Blue, Prism Crush Black, Prism Crush Pink, Prism Crush WhiteBlack, Gold, and Silver
Removable battery-No
display
Screen size (inches)6.504.50
TouchscreenYesYes
Resolution1080x2400 pixels480x800 pixels
hardware
Processor makeSamsung Exynos 9611-
RAM4GB1GB
Internal storage64GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512128
Dedicated microSD slotYes-
Processor-1.5GHz quad-core
camera
Rear camera48-megapixel (f/2.0) + 12-megapixel (f/2.2) + 5-megapixel (f/2.2) + 5-megapixel (f/2.4)5-megapixel
Front camera32-megapixel (f/2.2)5-megapixel
Rear flash-Dual LED
Front flash-LED
software
Operating systemAndroid 10Tizen 3.0
SkinOne UI 2.0-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.00
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi DirectYesNo
NFC-No
Infrared-No
USB OTG-No
FM-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYes-
Fingerprint sensorYes-
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-No
Barometer-No
Temperature sensor-No
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