Garmin D2 Air X15 vs Amazfit GTR 3 Pro comparison
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| key specs |
| Strap Colour | Black | Black |
| Display Size | 35mm | 36mm |
| Compatible OS | Android and iOS | Android, iOS |
| Strap Material | Silicone | - |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| general |
| Brand | Garmin | Amazfit |
| Model | D2 Air X15 | GTR 3 Pro |
| Release date | October 22, 2025 | October 11, 2021 |
| Model Name | Garmin D2 Air X15 | - |
| Dial Shape | Round | Round |
| Strap Colour | Black | Black |
| Strap Material | Silicone | - |
| Size | Regular | Regular |
| Water Resistance Depth | 5 ATM | 5 ATM |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | Unisex |
| Touchscreen | - | Yes |
| Interchangeable Strap | - | Yes |
| Water Resistant | - | Yes |
| Dial Material | - | Aluminium |
| Dial Colour | - | Black |
| dimensions |
| Weight (g) | 38.00 | 42.00 |
| Width | - | 46 |
| Height | - | 46 |
| Thickness | - | 10.7 |
| product details |
| Sensor | Heart Rate Monitor, Stress, Sleep, Pulse Ox blood oxygen | Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor |
| Compatible Device | Android and iOS | Android, iPhone |
| Notification | Call Notification, Smartphone Apps Notifications | Yes |
| Battery Life | 10 days | 12 days |
| Battery Type | - | Li-ion |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Bluetooth |
| Third Party App Support | Yes | Yes |
| Call Features | Make and Receive calls | - |
| Other Connectivity Features | GPS, Galileo, Glonass, Beidou, QZSS | - |
| Bluetooth Version | - | 5.0 |
| GPS | - | Yes |
| Messaging Support | - | Yes |
| platform and storage features |
| Compatible Operating System | Android and iOS | Android, iOS |
| RAM | 8GB | - |
| Operating System | - | ZeppOS |
| camera and display features |
| Display Resolution | 454 x 454 | 480x480 |
| Display Size | 35mm | 36mm |
| Display Type | AMOLED | AMOLED |
| Backlight Display | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Chronograph | - | Yes |
| Number of Buttons | - | 2 |
| Other Fitness Features | - | 150 sports mode |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |
| Voice Control | - | Yes |
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