Fitbit Surge vs. Motorola Moto 360 (2nd Gen) vs. Fitbit Alta vs. Fitbit Charge vs. Amazfit T-Rex

 
Surge
Moto 360 (2nd Gen)
Alta
Charge
T-Rex
 FitbitSurgeRemove Buy NowMotorolaMoto 360 (2nd Gen)Remove Buy NowFitbitAltaRemove Buy NowFitbitChargeRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$300$130$130$140
Release20162015201620142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1.5 days5 days7-10 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 325 or 360 x 330n/aNA360 x 360
Size1.26 inches1.37 inches or 1.56 inchesn/aNA1.3 inches
Touchn/aNA
TypeMonochrome LCDLCDOLEDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67n/a1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wearn/aNABuild-in
Apps
Musicn/a

All Wearables