Pebble 2 vs. Amazfit Stratos vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Fitbit Alta HR

 
2
Stratos
645 Music
Forerunner 235
Alta HR
 Pebble2Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$129$199$450$299.99$150
Release20162018201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days7 days9 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300240 x 240215 x 180128 x 36
Sizen/a1.34 inches1.2 inches1.23 inches1.4 inches
Touch
Typee-paperOLEDMIPMIPOLED

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 OSProprietary
Apps
Music

All Wearables