Fitbit Alta vs. Polar Loop 2 vs. Sony SmartBand Talk vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Alta
Loop 2
SmartBand Talk
On Full Guard 2.5
T-Rex
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowSonySmartBand TalkRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$120$170$325$140
Release20162015201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)3 days4 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a296 x 128454x454360 x 360
Sizen/an/a1.4 inches1.39 inches1.3 inches
Touchn/a
TypeOLEDLEDE InkAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATMIP683 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

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

All Wearables