Garmin Forerunner 225 vs. Withings Activite Sapphire vs. Fitbit Flex 2 vs. Misfit Ray vs. Amazfit T-Rex

 
Forerunner 225
Activite Sapphire
Flex 2
Ray
T-Rex
 GarminForerunner 225Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitFlex 2Remove Buy NowMisfitRayRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$450$100$100$140
Release20152014201620162019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks8 months5 days6 months20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution180 x 180n/an/an/a360 x 360
Size1 inch1.3 inchesn/an/a1.3 inches
Touchn/an/a
Typen/aAnalogLEDLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/an/aBuild-in
Appsn/a
Musicn/a

All Wearables