Fitbit Alta vs. Apple Watch Series 2 vs. Garmin Fenix 5X vs. Garmin Forerunner 235 vs. Amazfit T-Rex

 
Alta
Watch Series 2
Fenix 5X
Forerunner 235
T-Rex
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowGarminFenix 5XRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$269$699$299.99$140
Release20162016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursUp to 12 days9 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x240215 x 180360 x 360
Sizen/a1.5 inches or 1.65 inches1.2 inches1.23 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDNAMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSBuild-in
Apps
Music

All Wearables