Pebble 2 vs. ASUS ZenWatch 3 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
2
ZenWatch 3
Flex
Forerunner 45
T-Rex
 Pebble2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$129$229$100$199$140
Release20162017201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days48 hours5 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400NA208 x 208360 x 360
Sizen/a1.39 inchesNA1.04 inches1.3 inches
TouchNA
Typee-paperAMOLEDLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wear 2NABuilt-inBuild-in
Apps
Music

All Wearables