Garmin D2 Air X15 vs Amazfit Bip U comparison
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| key specs |
| Strap Colour | Black | Black, Green, Pink |
| Display Size | 35mm | - |
| Compatible OS | Android and iOS | Android, iOS |
| Strap Material | Silicone | Silicone |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | - |
| Ideal For | Unisex | - |
| general |
| Brand | Garmin | Amazfit |
| Model | D2 Air X15 | Bip U |
| Release date | October 22, 2025 | October 15, 2020 |
| Model Name | Garmin D2 Air X15 | Bip U |
| Dial Shape | Round | Rectangle |
| Strap Colour | Black | Black, Green, Pink |
| Strap Material | Silicone | Silicone |
| Size | Regular | Regular |
| Water Resistance Depth | 5 ATM | 50 metres |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | - |
| Touchscreen | - | Yes |
| Interchangeable Strap | - | Yes |
| Water Resistant | - | 5 ATM |
| Dial Material | - | Polycarbonate |
| Dial Colour | - | Black, Green, Pink |
| dimensions |
| Weight (g) | 38.00 | 31.00 |
| Width | - | 35.5 |
| Height | - | 40.9 |
| Thickness | - | 11.4 |
| product details |
| Sensor | Heart Rate Monitor, Stress, Sleep, Pulse Ox blood oxygen | BioTracker 2 PPG Biological optical sensor, 6-axis acceleration sensor |
| Compatible Device | Android and iOS | Android, iOS |
| Notification | Call Notification, Smartphone Apps Notifications | Yes |
| Battery Life | 10 days | 9 days |
| Charge Time | - | 2 hours |
| Charger Type | - | 2 Pogo Pin Charger |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Third Party App Support | Yes | - |
| Call Features | Make and Receive calls | - |
| Other Connectivity Features | GPS, Galileo, Glonass, Beidou, QZSS | - |
| Bluetooth Version | - | 5.0 |
| Wi-Fi | - | Yes |
| platform and storage features |
| Compatible Operating System | Android and iOS | Android, iOS |
| RAM | 8GB | - |
| Operating System | - | RTOS |
| camera and display features |
| Display Resolution | 454 x 454 | 320x302 |
| Display Size | 35mm | - |
| Display Type | AMOLED | - |
| Other Display Features | - | Anti-Fingerprint Coating, 2.5D Corning Gorilla Glass 3 |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Number of Buttons | - | 1 |
| Other Fitness Features | - | 60 sports modes |
| Other Watch Functions | - | 24 hour heart rate monitoring, sleep quality monitoring, blood oxygen level sensor, menstrual cycle tracker |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |
| Other Multimedia Features | - | show notifications, control music, set alarms, remote control the phone’s camera |
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