Garmin Forerunner 225 vs. Garmin Forerunner 935 vs. Garmin 645 Music vs. Pebble Time 2 vs. Fitbit Flex

 
Forerunner 225
Forerunner 935
645 Music
Time 2
Flex
 GarminForerunner 225Remove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowPebbleTime 2Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$500$450$199$100
Release20152017201820162013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeksUp to 2 weeks7 days10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180240 x 240240 x 240NANA
Size1 inch1.2 inches1.2 inchesNANA
TouchNA
Typen/aLCDMIPe-paperLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM3 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aPebble OSNA
Appsn/a
Musicn/a

All Wearables