Pebble Time Round vs. Polar Loop 2 vs. Amazfit Stratos vs. Garmin Forerunner 45

 
Time Round
Loop 2
Stratos
Forerunner 45
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$120$199$199
Release2015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 days (without notifications)5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 300208 x 208
Sizeroundn/a1.34 inches1.04 inches
Touch
Typee-paperLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aProprietaryBuilt-in
Apps
Music

All Wearables