Polar M400 vs. Apple Watch Series 4 vs. Mobvoi TicWatch S2 vs. Mobvoi TicWatch e2 vs. Amazfit GTS

 
M400
Watch Series 4
TicWatch S2
TicWatch e2
GTS
 PolarM400Remove Buy NowAppleWatch Series 4Remove Buy NowMobvoiTicWatch S2Remove Buy NowMobvoiTicWatch e2Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$200$329$180$200$150
Release20142018201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 daysNot Yet2 DAYS1 day14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a384 x 480400 x 400360 x 360348 x 442
Sizen/a1.78 inches1.39 inches1.2 inches1.65 inches
Touch
Typen/aMicroLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMNot Yet5 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5Wear OSWear OSWear OS
Apps
Music

All Wearables