Polar Loop 2 vs. Sony SmartBand Talk vs. Amazfit Stratos vs. Mobvoi TicWatch e2 vs. Garmin Vivosmart 4

 
Loop 2
SmartBand Talk
Stratos
TicWatch e2
Vivosmart 4
 PolarLoop 2Remove Buy NowSonySmartBand TalkRemove Buy NowAmazfitStratosRemove Buy NowMobvoiTicWatch e2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$170$199$200$130
Release20152014201820192018

Activity & Fitness

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

Battery

Duration8 days (without notifications)3 days5 days1 day7 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 128320 x 300360 x 36048 x 128
Sizen/a1.4 inches1.34 inches1.2 inches0.74 inches
Touch
TypeLEDE InkOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP685 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearProprietaryWear OS
Apps
Music

All Wearables