Sony SmartBand 2 vs. Polar M430 vs. Garmin 645 Music vs. Misfit Flash Cyclist Edition vs. Amazfit T-Rex

 
SmartBand 2
M430
645 Music
Flash Cyclist Edition
T-Rex
 SonySmartBand 2Remove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowMisfitFlash Cyclist EditionRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$255$450$50$140
Release20152017201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days30 hours7 days6 months20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a128x128240 x 240NA360 x 360
Sizen/a1.4 inch1.2 inchesNA1.3 inches
Touchn/aNA
Typen/aLCDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP58WR305 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-in
Apps
Music

All Wearables