Withings Activite Pop vs. Sony SmartBand 2 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Activite Pop
SmartBand 2
Vivosmart 4
T-Rex
 WithingsActivite PopRemove Buy NowSonySmartBand 2Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$130$130$140
Release2015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months2 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a48 x 128360 x 360
Size1.3 inchesn/a0.74 inches1.3 inches
Touchn/a
TypeAnalogn/aOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP585 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables