Garmin Fenix 3 vs. Polar M400 vs. Fitbit One vs. Polar A370 vs. Amazfit GTR

 
Fenix 3
M400
One
A370
GTR
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowFitbitOneRemove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$500$200$100$179.95$199
Release20152014201220172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks8 hours to 30 days10-14 daysUp to 3 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/an/a160 x 80454 x 454
Size1.2 inchesn/an/a1.18 inches1.39 inches
Touch
TypeChroma LEDn/aOLEDTFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM3 ATMSplast ResistantWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aBuild-in
Apps
Music

All Wearables