Polar V800 vs. Garmin 645 Music vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex vs. Fitbit Inspire 3

 
V800
645 Music
TicWatch S2
T-Rex
Inspire 3
 PolarV800Remove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$470$450$180$140$100
Release20142018201920192022

Activity & Fitness

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

Battery

Duration13 hours to 30 days7 days2 DAYS20 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240400 x 400360 x 36032x18
Sizen/a1.2 inches1.39 inches1.3 inches46 inches
Touch
Typen/aMIPOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables