Polar M600 vs. Fitbit Charge 3 vs. Garmin Instinct vs. Amazfit T-Rex vs. Apple Watch 7

 
M600
Charge 3
Instinct
T-Rex
Watch 7
 PolarM600Remove Buy NowFitbitCharge 3Remove Buy NowGarminInstinctRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$330$150$300$140$429
Release20162018201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7 days14 days20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution240 x 24066 x 18128 x 128360 x 360396 x 484
Size1.3 inches.721 inches0.9 inches1.3 inches1.9 inches
Touchn/a
TypeTFTOLEDOMOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM10 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNABuild-inWatchOS 8
Apps
Music

All Wearables