Polar Loop 2 vs. Sony SmartBand Talk vs. Fitbit Versa 2 vs. Amazfit GTS vs. Amazfit T-Rex

 
Loop 2
SmartBand Talk
Versa 2
GTS
T-Rex
 PolarLoop 2Remove Buy NowSonySmartBand TalkRemove Buy NowFitbitVersa 2Remove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$170$199$150$140
Release20152014201920192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)3 days5 days14 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/a296 x 128300 x 300348 x 442360 x 360
Sizen/a1.4 inches1.34 inches1.65 inches1.3 inches
Touch
TypeLEDE InkAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearBuild-inWear OSBuild-in
Apps
Music

All Wearables