Polar M430 vs. Pebble Time 2 vs. Mobvoi TicWatch S2 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
M430
Time 2
TicWatch S2
Vivosmart 4
T-Rex
 PolarM430Remove Buy NowPebbleTime 2Remove Buy NowMobvoiTicWatch S2Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$255$199$180$130$140
Release20172016201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours10 days2 DAYS7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128NA400 x 40048 x 128360 x 360
Size1.4 inchNA1.39 inches0.74 inches1.3 inches
Touch
TypeLCDe-paperOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR303 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWear OSBuild-in
Apps
Music

All Wearables