Pebble 2 vs. Pebble Time Steel vs. Polar M400 vs. Asus ZenWatch vs. Amazfit T-Rex

 
2
Time Steel
M400
ZenWatch
T-Rex
 Pebble2Remove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$129$250$200$150$140
Release20162015201420142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days10 days8 hours to 30 daysNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a168 x 144n/a320 x 320360 x 360
Sizen/a1.26 inchesn/a1.63 inches1.3 inches
Touch
Typee-papere-papern/aAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM3 ATMIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemPebble OSPebble OSn/aAndroid WearBuild-in
Apps
Music

All Wearables