Samsung Galaxy Tab A 7.0 (2018) vs Samsung Galaxy Tab A 8.0 (2017) vs Samsung Galaxy Tab A (2016) comparison

Compare Samsung Galaxy Tab A 7.0 (2018)
Compare Samsung Galaxy Tab A 8.0 (2017)
Compare Samsung Galaxy Tab A (2016)
key specs
Display7.00-inch8.00-inch7.00-inch
Processor1.5GHz quad-core1.4GHz quad-core1.3GHz quad-core
Front Camera2-megapixel5-megapixel2-megapixel
Resolution800x1280 pixels800x1280 pixels800x1280 pixels
RAM1.5GB2GB1.5GB
OSAndroidAndroid 7.1Android 5.1
Storage8GB16GB8GB
Rear Camera5-megapixel8-megapixel5-megapixel
Battery Capacity4000mAh5000mAh4000mAh
general
Release dateJanuary 2018September 2017March 2016
Form factorTouchscreen--
Dimensions (mm)186.90 x 108.80 x 8.70212.10 x 124.10 x 8.90186.90 x 108.80 x 8.70
Weight (g)289.00364.00283.00
Battery capacity (mAh)400050004000
ColoursWhite, BlackBlackBlack, White
Removable battery-NoNo
display
Screen size (inches)7.008.007.00
TouchscreenYesNoNo
Resolution800x1280 pixels800x1280 pixels800x1280 pixels
hardware
Processor1.5GHz quad-core1.4GHz quad-core1.3GHz quad-core
RAM1.5GB2GB1.5GB
Internal storage8GB16GB8GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)200256200
camera
Rear camera5-megapixel8-megapixel5-megapixel
Rear FlashNoYes-
Front camera2-megapixel5-megapixel2-megapixel
Front FlashNo--
software
Operating systemAndroidAndroid 7.1Android 5.1
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n802.11 b/g/n
GPSYesYesYes
BluetoothYesYesYes
Bluetooth version4.004.204.00
Headphones3.5mm3.5mm-
FMYesNoNo
NFC-NoNo
Infrared-NoNo
USB OTG-NoYes
Number of SIMs-1-
sensors
AccelerometerYesYesYes
Compass/ Magnetometer-NoNo
Proximity sensor-NoYes
Ambient light sensor-NoYes
Gyroscope-NoYes
Barometer-NoNo
Temperature sensor-NoNo
sim 1
SIM Type-Nano-SIM-
GSM/CDMA-GSM-
3G-Yes-
4G/ LTE-Yes-