Polar V800 vs. Apple Watch vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Amazfit GTR

 
V800
Watch
645 Music
Forerunner 235
GTR
 PolarV800Remove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$470$349$450$299.99$199
Release20142015201820172019

Activity & Fitness

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

Battery

Duration13 hours to 30 days18 hours7 days9 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240215 x 180454 x 454
Sizen/a1.5 inches or 1.65 inches1.2 inches1.23 inches1.39 inches
Touch
Typen/aAMOLEDMIPMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSBuild-in
Apps
Music

All Wearables