Pebble Time Round vs. Polar M400 vs. New Balance RunIQ vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Time Round
M400
RunIQ
T-Rex
VivoActive 4
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowNew BalanceRunIQRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$200$299$140$349
Release20152014201720192019

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days24 hours (5 hrs w GPS and heart rate)20 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400360 x 360260 x 260
Sizeroundn/a1.39 inches1.3 inches1.3ionches
Touch
Typee-papern/aAMOLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 1.5Build-inWear OS
Apps
Music

All Wearables