Polar M600 vs. Withings Steel HR vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
M600
Steel HR
ZenWatch
G-Shock GBA800
T-Rex
 PolarM600Remove Buy NowWithingsSteel HRRemove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$180$150$120$140
Release20162016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days25 daysNA2 years20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a320 x 320360 x 360
Size1.3 inchesn/a1.63 inches1.3 inches
Touchn/a
TypeTFTn/aAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMIP5520 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aAndroid WearBuild-in
Apps
Music

All Wearables