Pebble Time Round vs. Polar Loop 2 vs. Garmin Vivoactive 3 vs. Mobvoi TicWatch S vs. Amazfit T-Rex

 
Time Round
Loop 2
Vivoactive 3
TicWatch S
T-Rex
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowGarminVivoactive 3Remove Buy NowMobvoiTicWatch SRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$120$299$199$140
Release20152015201720172019

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)7 days1.5-2 days20 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/a240 x 240400 x 400360 x 360
Sizeroundn/a1.2 inches1.4 inches1.3 inches
Touch
Typee-paperLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables