Withings Activite Sapphire vs. Sony SmartBand 2 vs. Polar M430 vs. Amazfit T-Rex

 
Activite Sapphire
SmartBand 2
M430
T-Rex
 WithingsActivite SapphireRemove Buy NowSonySmartBand 2Remove Buy NowPolarM430Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$130$255$140
Release2014201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months2 days30 hours20 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/a128x128360 x 360
Size1.3 inchesn/a1.4 inch1.3 inches
Touchn/a
TypeAnalogn/aLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP58WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables