Garmin Forerunner 225 vs. Polar Loop 2 vs. Fitbit Ionic vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Forerunner 225
Loop 2
Ionic
Forerunner 45
GTS
 GarminForerunner 225Remove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$300$120$299$199$150
Release20152015201720192019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 days (without notifications)4+ days7 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a348x250208 x 208348 x 442
Size1 inchn/a1.421.04 inches1.65 inches
Touch
Typen/aLEDOLEDLCDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM50m5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSBuilt-inWear OS
Appsn/a
Musicn/a

All Wearables