Fitbit Alta vs. Fitbit Flex 2 vs. Diesel On Full Guard vs. Samsung Gear Fit2 Pro vs. Amazfit T-Rex

 
Alta
Flex 2
On Full Guard
Gear Fit2 Pro
T-Rex
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowSamsungGear Fit2 ProRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$100$325$199.99$140
Release20162016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a454 x 454216 x 432360 x 360
Sizen/an/a1.4 inches1.5 inches1.3 inches
Touchn/an/a
TypeOLEDLEDOMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Tizen OSBuild-in
Apps
Music

All Wearables