Pebble Time Round vs. Samsung Gear Fit2 vs. Polar A370 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Time Round
Gear Fit2
A370
On Full Guard 2.5
T-Rex
 PebbleTime RoundRemove Buy NowSamsungGear Fit2Remove Buy NowPolarA370Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$180$179.95$325$140
Release20152016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days3-4 daysUp to 3 days4 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a432 x 216160 x 80454x454360 x 360
Sizeround1.5 inches1.18 inches1.39 inches1.3 inches
Touch
Typee-paperSuper AMOLEDTFT LCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP68WR303 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSTizenWear OSBuild-in
Apps
Music

All Wearables