Polar M600 vs. Casio G-Shock GBA800 vs. Fitbit Charge 3 vs. Samsung Gear Fit2 Pro vs. Amazfit T-Rex

 
M600
G-Shock GBA800
Charge 3
Gear Fit2 Pro
T-Rex
 PolarM600Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge 3Remove Buy NowSamsungGear Fit2 ProRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$120$150$199.99$140
Release20162018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 years7 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution240 x 24066 x 18216 x 432360 x 360
Size1.3 inches.721 inches1.5 inches1.3 inches
Touchn/a
TypeTFTOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX820 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNATizen OSBuild-in
Apps
Music

All Wearables