Amazfit T-Rex 3 Smartwatch vs Samsung Galaxy Watch 8
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General
| Brand | Amazfit | Samsung |
| Model Name | T-Rex 3 | Galaxy Watch 8 |
| Sim | No | |
| Ideal For | Men, Women | Men, Women |
| Sales Package | Smartwatch, Charger, User Manual | Smartwatch, Charger, User Manual |
Design and Body
| Weight | 89 g | 30 g |
| Material | Stainless steel bezel, Polymer middle frame | Armor Aluminum |
| Strap | 22mm Liquid silicone | |
| Shape | Circle | Squircle |
| Water Resistant | Yes | Yes |
| Water Resistant Depth | 100 m | 100 m |
| Water Resistant Certificate | 10ATM | 5ATM + IP68 / MIL-STD-810H |
| Dust Proof | Yes | Yes |
| Scratch Resistant | Yes |
Display
| Type | Color AMOLED | Color Super AMOLED |
| Touch | Yes | Yes, Multi Touch |
| Size | 1.5 inches | 1.34 inches |
| Resolution | 480 x 480 pixels | 438 x 438 pixels |
| PPI | 322 ppi | 327 ppi |
| Ambient Light Sensor | Yes | Yes |
| Always On Display | Yes | Yes |
| Glass Type | Gorilla Glass | Sapphire Glass |
| Features | 2000 Nits Brightness | 3000 Nits Brightness |
Memory
| RAM | 2 GB | |
| Inbuilt Memory | 26 GB | 32 GB |
Connectivity
| Wi-Fi | Yes, Wi-Fi 2.4GHz | Yes, 2.4+5GHz |
| Bluetooth | Yes, 5.2 | Yes, 5.3 |
| Bluetooth Calling | Yes | |
| GPS | Yes | Yes |
Extra
| NFC | Yes | |
| Gesture Control | Yes | Yes |
| Gyroscope | Yes | Yes |
| Voice Assistant | Yes | Yes, Google Gemini |
| Inbuilt Microphone | Yes | Yes |
| Inbuilt Speaker | Yes | |
| Notifications | Yes | Yes |
| Extra Features | 177 Workout Modes, 400 Watch Faces, Map and Navigation, Music and Camera Control, Find My Phone, Weather, Screen Lock & Password, Do Not Disturb | Samsung Pay |
Technical
| OS | Zepp OS 4 | Wear OS 6 |
| Compatible OS | Android 7.0 and above, iOS 14.0 and above | Android 12.0 or higher and with more than 1.5GB of memory |
| CPU | Exynos W1000 | |
| CPU Speed | 1.6 GHz | |
| GPU | Mali-G68 |
Multimedia
| Music | Yes |
Battery
| Battery Capacity | 700 mAh | 325 mAh |
| Battery Type | Li-ion | |
| Removable Battery | Non-Removable Battery | Non-Removable Battery |
| Battery Backup | Up to 30 Hours | |
| Charging Time | 3 hours | |
| Wireless Charging | Yes | |
| StandBy Time | 27 days |
Fitness Features and Sensors
| Heart Rate Monitor | Yes | Yes, Optical |
| SpO2 (Blood Oxygen) Monitor | Yes | Yes |
| BP Monitor | Yes | |
| Temperature Sensor | Yes | Yes |
| Pedometer | Yes | Yes |
| Altimeter | Yes | |
| Compass | Yes | Yes |
| Sleep Monitor | Yes | Yes |
| Reminder | Yes, Sedentary Reminders | Yes |
| Meters and Sensors | Accelerometer, Calorie Count, Step Count, Geomagnetic, Barometric | Accelerometer, Calorie Count, Step Count, Barometer, Bioelectrical Impedance Analysis Sensor, Electrical Heart Sensor, Geomagnetic Sensor, Light Sensor |
| Extra Features | Alarm Clock, Stopwatch, Timer, BioTracker PPG biometric sensor | Alarm Clock, Stopwatch, Timer, Advanced Sleep Coaching (Bedtime Guidance), BIA (Bioelectrical Impedance Analysis), ECG, Irregular Heart Rhythm Notification Personalized Heart Rate Zones, Continuous SpO2, Skin Temperature, Sleep Apnea, Energy Score, Vascular Load, Antioxidant Index, Running Coach |
Warranty
| Warranty | 1 year, Brand Warranty | 1 year |
| Covered in Warranty | Manufacturing Defects | |
| Not Covered in Warranty | Physical Damage | |
| Warranty Service Type | Carry in |
Discuss
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