Pebble Time Round vs. Polar M400 vs. Polar Loop 2 vs. Garmin Forerunner 45

 
Time Round
M400
Loop 2
Forerunner 45
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$200$120$199
Release2015201420152019

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days8 days (without notifications)7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a208 x 208
Sizeroundn/an/a1.04 inches
Touch
Typee-papern/aLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aBuilt-in
Apps
Music

All Wearables