ASUS ZenWatch 2 vs. Pebble Time Steel vs. Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit T-Rex

 
ZenWatch 2
Time Steel
Alta
Watch Series 2
T-Rex
 ASUSZenWatch 2Remove Buy NowPebbleTime SteelRemove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$250$130$269$140
Release20162015201620162019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10 days5 days18 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320168 x 144n/a340 x 272 or 390 x 312360 x 360
Size1.63 inches or 1.45 inch1.26 inchesn/a1.5 inches or 1.65 inches1.3 inches
Touchn/a
TypeAMOLEDe-paperOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMn/a5ATM5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid WearPebble OSn/aWatch OSBuild-in
Apps
Music

All Wearables