Garmin Forerunner 225 vs. Fitbit Alta HR vs. Polar A370 vs. Garmin Instinct vs. Amazfit T-Rex

 
Forerunner 225
Alta HR
A370
Instinct
T-Rex
 GarminForerunner 225Remove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowGarminInstinctRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$150$179.95$300$140
Release20152017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks7 daysUp to 3 days14 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180128 x 36160 x 80128 x 128360 x 360
Size1 inch1.4 inches1.18 inches0.9 inches1.3 inches
Touch
Typen/aOLEDTFT LCDOMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR3010 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aBuild-in
Appsn/a
Musicn/a

All Wearables