Fitbit Charge 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Garmin Forerunner 45 vs. HTC re Grip

 
Charge 2
ZenWatch
WSD-F20A
Forerunner 45
re Grip
 FitbitCharge 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$150$399$199$199
Release20162014201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA1 day7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 320208 x 208160 x 32
Sizen/a1.63 inches1.32 inches1.04 inches1.8 inches
Touchn/a
TypeOLEDAMOLEDLCDLCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP555 ATM5 ATMIP57

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSBuilt-inNA
Apps
Music

All Wearables