Fitbit Ionic vs. Polar M430 vs. Samsung Gear 2 vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
Ionic
M430
Gear 2
Vivosmart 3
T-Rex
 FitbitIonicRemove Buy NowPolarM430Remove Buy NowSamsungGear 2Remove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$255$300$139.99$140
Release20172017201420172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration4+ days30 hours2-3 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128x128320 x 32064 x 128360 x 360
Size1.421.4 inch1.63 inchesNA1.3 inches
Touch
TypeOLEDLCDSuper AMOLEDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mWR30IP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSTizen OSBuild-in
Apps
Music

All Wearables