Fitbit Alta vs. Fitbit Flex 2 vs. Samsung Gear Fit2 vs. Garmin Forerunner 235 vs. Diesel On Full Guard 2.5

 
Alta
Flex 2
Gear Fit2
Forerunner 235
On Full Guard 2.5
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowSamsungGear Fit2Remove Buy NowGarminForerunner 235Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$130$100$180$299.99$325
Release20162016201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3-4 days9 days4 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a432 x 216215 x 180454x454
Sizen/an/a1.5 inches1.23 inches1.39 inches
Touchn/an/a
TypeOLEDLEDSuper AMOLEDMIP

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP685 ATM3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aTizenWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables