Fitbit Flex 2 vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Apple Series 6

 
Flex 2
ZenWatch
G-Shock GBA800
Forerunner 45
Series 6
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$150$120$199$399
Release20162014201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA2 years7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320208 x 208384 x 480
Sizen/a1.63 inches1.04 inches40mm
Touchn/a
TypeLEDAMOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIP5520 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearBuilt-inWatchOS 5
Apps
Music

All Wearables