Fitbit Surge vs. Pebble Time Round vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
Surge
Time Round
ZenWatch
G-Shock GBA800
T-Rex
 FitbitSurgeRemove Buy NowPebbleTime RoundRemove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$200$150$120$140
Release20162015201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 daysNA2 years20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320360 x 360
Size1.26 inchesround1.63 inches1.3 inches
Touch
TypeMonochrome LCDe-paperAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7IP5520 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aPebble OSAndroid WearBuild-in
Apps
Music

All Wearables