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

 
Surge
Moto 360 (2nd Gen)
Steel HR
Charge
T-Rex
 FitbitSurgeRemove Buy NowMotorolaMoto 360 (2nd Gen)Remove Buy NowWithingsSteel HRRemove Buy NowFitbitChargeRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$300$180$130$140
Release20162015201620142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1.5 days25 days7-10 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Macn/an/a
Windowsn/an/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
TouchNA
TypeMonochrome LCDLCDn/aOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables