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All Amazfit T-Rex vs. Apple Apple Watch Ultra 2 vs. Garmin Enduro vs. Garmin Forerunner 45 vs. Garmin Instinct Solar 2 vs. Garmin Venu 2 vs. Garmin VivoActive 4
Amazfit T-Rex Apple Apple Watch Ultra 2 Garmin Enduro Garmin Forerunner 45 Garmin Instinct Solar 2 Garmin Venu 2 Garmin VivoActive 4

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Price and Release Date

Suggested Price$140$799$799$150$300$400$349
Release / Update2019202320212020202320212019

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 Mode50 Days / Solar Charge7 daysUp to 28 days (45mm) / 21 days (40mm), unlimited with solar11 Days8 days
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 pixels280 x 280126 x 294176 x 176 pixels (45mm), 156 x 156 pixels (40mm)416 x 416260 x 260
Size1.3 inches49mm1.4 inches1.1 inches0.9” x 0.9” (45mm), 0.79” x 0.79” (40mm)1.3 inches1.3 inches
Touch
TypeAMOLEDAlways-On Retina LTPO OLEDMIP LCDAMOLEDMIPAMOLEDMIP

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 810H10 ATM (100 Meters)5 ATM10 ATM (100 Meters)5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemBuilt-inWatchOS 10Built-inBuilt-inGarmin Watch OSWear OSWear OS
Apps
Music

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