Fitbit Surge vs. Fitbit Alta vs. Asus ZenWatch vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Surge
Alta
ZenWatch
On Full Guard 2.5
T-Rex
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$130$150$325$140
Release20162016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 daysNA4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320454x454360 x 360
Size1.26 inchesn/a1.63 inches1.39 inches1.3 inches
Touchn/a
TypeMonochrome LCDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIP553 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWear OSBuild-in
Apps
Music

All Wearables