Samsung Gear S2 vs. Garmin 645 Music vs. Mobvoi TicWatch S2 vs. Amazfit GTR vs. Fitbit Sense 2

 
Gear S2
645 Music
TicWatch S2
GTR
Sense 2
 SamsungGear S2Remove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitGTRRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$300$450$180$199$300
Release20152018201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days7 days2 DAYS24 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360240 x 240400 x 400454 x 454336x336
Size1.2 inches1.2 inches1.39 inches1.39 inches1.59 inches
Touch
TypeSuper AMOLEDMIPOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWear OSBuild-in
Apps
Music

All Wearables