Garmin Forerunner 165 Smartwatch vs Amazfit T-Rex 3 Smartwatch
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General
| Brand | Garmin | Amazfit |
| Model Name | Forerunner 165 | T-Rex 3 |
| Ideal For | Men, Women | Men, Women |
| Sales Package | Forerunner 165, Power, Data Cable, Documentation | Smartwatch, Charger, User Manual |
Design and Body
| Weight | 39 g | 68.3 g |
| Material | Fibre-reinforced Polymer | Stainless steel bezel, Polymer middle frame |
| Strap | 20mm Silicon | 22mm Liquid silicone |
| Shape | Circle | Circle |
| Water Resistant | Yes | Yes |
| Water Resistant Depth | 50 m | 100 m |
| Water Resistant Certificate | 5 ATM | 10ATM |
| Dust Proof | Yes | Yes |
| Scratch Resistant | Yes |
Display
| Type | Color AMOLED | Color AMOLED |
| Touch | Yes | Yes |
| Size | 1.2 inches | 1.5 inches |
| Resolution | 390 x 390 pixels | 480 x 480 pixels |
| PPI | 460 ppi | 322 ppi |
| Ambient Light Sensor | Yes | Yes |
| Always On Display | Yes | Yes |
| Glass Type | Chemically Strengthened Glass | Gorilla Glass |
| Features | 2000 Nits Brightness |
Memory
| Inbuilt Memory | 4 GB |
Connectivity
| Wi-Fi | Yes | Yes, Wi-Fi 2.4GHz |
| Bluetooth | Yes | Yes, 5.2 |
| GPS | Yes | Yes |
Extra
| NFC | Yes | Yes |
| Gesture Control | Yes | Yes |
| Gyroscope | Yes | Yes |
| Voice Assistant | Yes | Yes |
| Inbuilt Microphone | Yes | Yes |
| Inbuilt Speaker | Yes | |
| Notifications | Yes | Yes |
| Extra Features | Find My Phone, Find My Watch, Weather, Calender | 177 Workout Modes, 400 Watch Faces, Map and Navigation, Music and Camera Control, Find My Phone, Weather, Screen Lock & Password, Do Not Disturb |
Technical
| OS | Zepp OS 4 | |
| Compatible OS | Android & iOS | Android 7.0 and above, iOS 14.0 and above |
Battery
| Battery Capacity | 700 mAh | |
| Removable Battery | Non-Removable Battery | Non-Removable Battery |
| Battery Backup | 11 days | |
| Charging Time | 3 hours | |
| StandBy Time | 27 days |
Fitness Features and Sensors
| Heart Rate Monitor | Yes | Yes |
| SpO2 (Blood Oxygen) Monitor | Yes | Yes |
| Temperature Sensor | Yes | Yes |
| Pedometer | Yes | Yes |
| Altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Sleep Monitor | Yes | Yes |
| Reminder | Yes | Yes, Sedentary Reminders |
| Meters and Sensors | Accelerometer, Calorie Count, Step Count, Barometer | Accelerometer, Calorie Count, Step Count, Geomagnetic, Barometric |
| Extra Features | Alarm Clock, Stopwatch, Timer, Respiration Rate (24x7), Breathwork, Nap Detection, Hydration, Women's Health, Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing | Alarm Clock, Stopwatch, Timer, BioTracker PPG biometric sensor |
Warranty
| Warranty | 1 year, Brand Warranty |
Discuss
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