Pebble 2 vs. Garmin 645 Music vs. Garmin Forerunner 45 vs. Amazfit GTR

 
2
645 Music
Forerunner 45
GTR
 Pebble2Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$129$450$199$199
Release2016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240208 x 208454 x 454
Sizen/a1.2 inches1.04 inches1.39 inches
Touch
Typee-paperMIPLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSBuilt-inBuild-in
Apps
Music

All Wearables