Pebble Time Round vs. Amazfit Stratos vs. Sony SmartBand vs. Amazfit GTR vs. Amazfit T-Rex

 
Time Round
Stratos
SmartBand
GTR
T-Rex
 PebbleTime RoundRemove Buy NowAmazfitStratosRemove Buy NowSonySmartBandRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$199$100$199$140
Release20152018201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days24 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a320 x 300NA454 x 454360 x 360
Sizeround1.34 inchesNA1.39 inches1.3 inches
TouchNA
Typee-paperOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATMIP585 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSProprietaryNABuild-inBuild-in
Apps
Music

All Wearables