Fitbit Surge vs. Fitbit Flex 2 vs. Fitbit One vs. Garmin 645 Music vs. Garmin Forerunner 235

 
Surge
Flex 2
One
645 Music
Forerunner 235
 FitbitSurgeRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$250$100$100$450$299.99
Release20162016201220182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days10-14 days7 days9 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a240 x 240215 x 180
Size1.26 inchesn/an/a1.2 inches1.23 inches
Touchn/a
TypeMonochrome LCDLEDOLEDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMSplast Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables