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

 
Surge
Alta
Charge HR
TicWatch S2
T-Rex
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowFitbitCharge HRRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$130$150$180$140
Release20162016201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 days2 DAYS20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA400 x 400360 x 360
Size1.26 inchesn/aNA1.39 inches1.3 inches
Touchn/aNA
TypeMonochrome LCDOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a1 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWear OSBuild-in
Apps
Music

All Wearables