Fitbit Surge vs. Fitbit Charge vs. Fitbit Charge 3 vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex

 
Surge
Charge
Charge 3
TicWatch S2
T-Rex
 FitbitSurgeRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$130$150$180$140
Release20162014201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7-10 days7 days2 DAYS20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/aNA66 x 18400 x 400360 x 360
Size1.26 inchesNA.721 inches1.39 inches1.3 inches
TouchNA
TypeMonochrome LCDOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWear OSBuild-in
Apps
Music

All Wearables