Garmin Forerunner 225 vs. Withings Activite Sapphire vs. Amazfit Pace vs. Garmin 645 Music vs. Amazfit T-Rex

 
Forerunner 225
Activite Sapphire
Pace
645 Music
T-Rex
 GarminForerunner 225Remove Buy NowWithingsActivite SapphireRemove Buy NowAmazfitPaceRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$450$130$450$140
Release20152014201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks8 months5 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a320 x 300240 x 240360 x 360
Size1 inch1.3 inches1.34 inches1.2 inches1.3 inches
Touch
Typen/aAnalogTFT LCDMIPAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aProprietaryBuild-in
Appsn/a
Musicn/a

All Wearables