Garmin Forerunner 225 vs. Fitbit Alta vs. Pebble Time 2 vs. Polar A370 vs. Amazfit T-Rex

 
Forerunner 225
Alta
Time 2
A370
T-Rex
 GarminForerunner 225Remove Buy NowFitbitAltaRemove Buy NowPebbleTime 2Remove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$130$199$179.95$140
Release20152016201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days10 daysUp to 3 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/aNA160 x 80360 x 360
Size1 inchn/aNA1.18 inches1.3 inches
Touchn/a
Typen/aOLEDe-paperTFT LCDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a3 ATMWR305 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/aPebble OSBuild-in
Appsn/a
Musicn/a

All Wearables