Polar V800 vs. Withings Activite Sapphire vs. Garmin 645 Music vs. Mobvoi TicWatch S vs. Amazfit GTR

 
V800
Activite Sapphire
645 Music
TicWatch S
GTR
 PolarV800Remove Buy NowWithingsActivite SapphireRemove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch SRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$470$450$450$199$199
Release20142014201820172019

Activity & Fitness

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

Battery

Duration13 hours to 30 days8 months7 days1.5-2 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240400 x 400454 x 454
Sizen/a1.3 inches1.2 inches1.4 inches1.39 inches
Touch
Typen/aAnalogMIPOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables