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All Amazfit T-Rex vs. Apple Apple Watch Ultra 2 vs. Apple Watch 3 vs. Apple Watch Ultra vs. Fitbit Charge 6 vs. Fitbit Sense vs. Fossil Explorist vs. Garmin Forerunner 955 vs. Garmin Garmin Forerunner 265 vs. Garmin Garmin Venu Sq 2 vs. Garmin Garmin Vivofit Jr 3 vs. Garmin Garmin Vivosmart 5 vs. Garmin Instinct Solar 2 vs. Garmin VivoActive 4 vs. Garmin Vivoactive 5 vs. Garmin Vivosmart HR Plus vs. ​Huawei Watch Fit vs. Polar M430
Amazfit T-Rex Apple Apple Watch Ultra 2 Apple Watch 3 Apple Watch Ultra Fitbit Charge 6 Fitbit Sense Fossil Explorist Garmin Forerunner 955 Garmin Garmin Forerunner 265 Garmin Garmin Venu Sq 2 Garmin Garmin Vivofit Jr 3 Garmin Garmin Vivosmart 5 Garmin Instinct Solar 2 Garmin VivoActive 4 Garmin Vivoactive 5 Garmin Vivosmart HR Plus ​Huawei Watch Fit Polar M430

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Price and Release Date

Suggested Price$140$799$199$799$159$324$255$600$499$269$90$150$300$349$299$179$140$255
Release / Update201920232017202220232020201820222023202220202022202320192023201720202017

Activity & Fitness

Calories
Distance
HeartThird-generation optical heart sensor
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate

Battery

Duration20 daysUp to 36 hours normal use, Up to 72 hours in Low Power Mode18 hours36 hrsUp to 7 days6 Days24 hours15 daysUp to 13 days, Smartwatch mode11 days1 year7 daysUp to 28 days (45mm) / 21 days (40mm), unlimited with solar8 daysUp to 11 days in smartwatch mode, 5 days with Always-on display, 21 days in battery saver mode, up to 21 hours in GPS mode5 days10 Days30 hours
Rechargeable

Compatibility Support

Android
iOS
Windows Phone
Mac
Windows

Connectivity Support

Bluetooth
Cellular
GPS
NFCGarmin Pay
Wi-Fi

Display

Color
Resolution360 x 360502 x 410 pixels340 x 272 or 390 x 312502×410 pixels360 x 360454 x 454260x260416 x 416 pixels320 x 360 pixels112x1120.43x0.79176 x 176 pixels (45mm), 156 x 156 pixels (40mm)260 x 260390 x 390 pixels160 x 68280 x 456128x128
Size1.3 inches49mm1.5 inches or 1.65 inches1.92 inches1.04-inch AMOLED1.58 inches1.4 inches1.3 inches1.3 inches1.41 inches0.79 inches0.84 inches0.9” x 0.9” (45mm), 0.79” x 0.79” (40mm)1.3 inches1.2"0.5" x 0.8"1.6 inches1.4 inch
Touch
TypeAMOLEDAlways-On Retina LTPO OLEDAMOLEDLTPO OLED RetinaAMOLEDAMOLEDAMOLEDOLEDAMOLEDAMOLEDMIPOLEDMIPMIPAMOLEDLCDAMOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWater resistance 100m, Dust resistance IP6X, EN13319 recreational scuba diving to 40m, Tested to MIL-STD 810H5 ATM10 ATM (100 Meters)Water-resistant up to 50m5 ATMIP675 ATM (50 Meters)5 ATM (50 Meters)5 ATM (50 Meters)5 ATM (50 Meters)5 ATM (50 Meters)10 ATM (100 Meters)5 ATM5 ATM (50 Meters)5 ATM5 ATM (50 Meters)WR30

Notifications

Phone
Emails
Texts

Software

Operating SystemBuilt-inWatchOS 10WatchOS 4WatchOS 9Fitbit OSFitbit OSWear OSBuilt-inGarmin Watch OSGarmin Watch OSGarmin Watch OSGarmin Watch OSWear OSGarmin Watch OSn/aLite OS
Apps
Music

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