Pebble Time Round vs. New Balance RunIQ vs. Amazfit Stratos vs. Fitbit Flex vs. Amazfit T-Rex

 
Time Round
RunIQ
Stratos
Flex
T-Rex
 PebbleTime RoundRemove Buy NowNew BalanceRunIQRemove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$299$199$100$140
Release20152017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days24 hours (5 hrs w GPS and heart rate)5 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 300NA360 x 360
Sizeround1.39 inches1.34 inchesNA1.3 inches
TouchNA
Typee-paperAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wear 1.5ProprietaryNABuild-in
Apps
Music

All Wearables