Fitbit Surge vs. Fitbit Flex 2 vs. Diesel On Full Guard vs. Garmin 645 Music vs. Fitbit Alta HR

 
Surge
Flex 2
On Full Guard
645 Music
Alta HR
 FitbitSurgeRemove Buy NowFitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$250$100$325$450$150
Release20162016201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days1 day7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a454 x 454240 x 240128 x 36
Size1.26 inchesn/a1.4 inches1.2 inches1.4 inches
Touchn/a
TypeMonochrome LCDLEDOMOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0
Apps
Music

All Wearables