HTC One M8s vs Asus ZenFone 2 ZE550ML vs Alcatel OneTouch Idol 3 (4.7) comparison

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key specs
Display5.00-inch5.50-inch4.70-inch
Processor1.7GHz octa-core1.8GHz quad-core1.2GHz quad-core
Front Camera5-megapixel5-megapixel5-megapixel
Resolution1080x1920 pixels720x1280 pixels720x1280 pixels
RAM2GB2GB1GB
OSAndroid 5Android 5.0Android 5.0
Storage16GB16GB8GB
Rear Camera13-megapixel13-megapixel13-megapixel
Battery Capacity2840mAh3000mAh2000mAh
general
Release dateApril 2015March 2015March 2015
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)146.40 x 70.60 x 9.60152.50 x 77.20 x 10.90134.60 x 65.90 x 7.55
Weight (g)160.00170.00-
Battery capacity (mAh)284030002000
Removable batteryNoNoNo
ColoursGunmetal Grey, Amber Gold, Glacial Silver--
display
Screen size (inches)5.005.504.70
TouchscreenYesYesYes
Resolution1080x1920 pixels720x1280 pixels720x1280 pixels
Pixels per inch (PPI)441267-
hardware
Processor1.7GHz octa-core1.8GHz quad-core1.2GHz quad-core
Processor makeQualcomm Snapdragon 615Intel Atom Z3560Qualcomm Snapdragon 400
RAM2GB2GB1GB
Internal storage16GB16GB8GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)12864128
camera
Rear camera13-megapixel13-megapixel13-megapixel
Rear flashDual LEDLEDLED
Front camera5-megapixel5-megapixel5-megapixel
software
Operating systemAndroid 5Android 5.0Android 5.0
SkinSense 6.0ZenUI-
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYesYes
BluetoothYes, v 4.10Yes, v 4.00Yes, v 4.00
NFCYesYesYes
InfraredYesNoNo
USB OTGNoYesNo
Headphones3.5mm3.5mm3.5mm
FMYesYesYes
Number of SIMs121
sim 1
SIM TypeNano-SIMMicro-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Compass/ MagnetometerYesYesNo
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesNoNo
BarometerYesNoNo
Temperature sensorNoNoNo
sim 2
SIM Type-Micro-SIM-
GSM/CDMA-GSM-
3G-No-
4G/ LTE-No-