Sony SmartBand 2 vs. Withings Go vs. Garmin Forerunner 45 vs. Amazfit GTR

 
SmartBand 2
Go
Forerunner 45
GTR
 SonySmartBand 2Remove Buy NowWithingsGoRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$80$199$199
Release2015201620192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months7 days24 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a208 x 208454 x 454
Sizen/an/a1.04 inches1.39 inches
Touchn/an/a
Typen/aE-InkLCDAMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP585 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aBuilt-inBuild-in
Appsn/a
Music

All Wearables