Pebble Time Round vs. Motorola Moto 360 (1st Gen) vs. Polar A370 vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Time Round
Moto 360 (1st Gen)
A370
Forerunner 45
T-Rex
 PebbleTime RoundRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$150$179.95$199$140
Release20152014201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 dayUp to 3 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 260160 x 80208 x 208360 x 360
Sizeround1.56 inches1.18 inches1.04 inches1.3 inches
Touch
Typee-paperLCDTFT LCDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP67WR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearBuilt-inBuild-in
Apps
MusicNA

All Wearables