Samsung Gear S vs. Garmin 645 Music vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex vs. Fitbit Inspire 3

 
Gear S
645 Music
TicWatch S2
T-Rex
Inspire 3
 SamsungGear SRemove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$250$450$180$140$100
Release20132018201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days2 DAYS20 days10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360240 x 240400 x 400360 x 36032x18
Size2 inches1.2 inches1.39 inches1.3 inches46 inches
Touch
TypeSuper AMOLEDMIPOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWear OSBuild-in
Apps
Music

All Wearables