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Price and Release Date |
| Suggested Price | $399 | $329 | $429 | $799 | $159 | $300 | $699 | $400 | $749 | $400 | $179.95 | $229 | $280 | $250 |
| Release / Update | 2024 | 2018 | 2021 | 2022 | 2023 | 2022 | 2022 | 2022 | 2023 | 2020 | 2017 | 2021 | 2019 | 2021 |
Activity & Fitness |
| Calories | | | | | | | | | | | | | | |
| Distance | | | | | | | | | | | | | | |
| Heart | Third-generation optical heart sensor | | | | | | | | | | | | | |
| VO2max (Oxygen) | | | | | | | | | | | | | | |
| Sleep | | | | | | | | | | | | | | |
| Steps | | | | | | | | | | | | | | |
| Stress mgt | | | | | | | | | | | | | | |
| Female health | | | | | | | | | | | | | | |
| Skin temp | | | | | | | | | | | | | | |
| Breath rate | | | | | | | | | | | | | | |
Battery |
| Duration | Up to 18 hours normal use | Not yet | 18 Hours | 36 hrs | Up to 7 days | 6 days | 9 Days | 14 days | Up to 12 days in smartwatch mode, Up to 32 hours in GPS mode, Up to 20 hours in GPS mode with music | 24 days | Up to 3 days | 5 Days | 3 days | 40 Hours |
| Rechargeable | | | | | | | | | | | | | | |
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Compatibility Support |
| Android | | | | | | | | | | | | | | |
| iOS | | | | | | | | | | | | | | |
| Windows Phone | | | | | | | | | | | | | | |
| Mac | | | | | | | | | | | | | | |
| Windows | | | | | | | | | | | | | | |
Connectivity Support |
| Bluetooth | | | | | | | | | | | | | | |
| Cellular | | | | | | | | | | | | | | |
| GPS | | | | | | | | | | | | | | |
| NFC | | | | | | | | | | | | | | |
| Wi-Fi | | | | | | | | | | | | | | |
Display |
| Color | | | | | | | | | | | | | | |
| Resolution | 42mm: 374 x 446 pixels; 46mm: 416 x 496 pixels | 384 x 480 | 396 x 484 | 502×410 pixels | | 40,5x40,5 | 240 x 240 | 260x260 | 465 x 465 pixels | 128 x 128 | 160 x 80 | 240 x 240 | 360 x 360 | 396 x 396 |
| Size | 42mm or 46mm | 1.78 inches | 1.9 inches | 1.92 inches | 1.04-inch AMOLED | 1,58 inches | 1.2 inches | 1.3 inches | 1.4 inches | 1.77 inches | 1.18 inches | 1.6 inches | 1.4 inches | 1.9 inches |
| Touch | | | | | | | | | | | | | | |
| Type | Always-On Retina LTPO OLED | MicroLED | MicroLED | LTPO OLED Retina | AMOLED | AMOLED | MIP LCD | AMOLED | Sunlight-visible, transflective memory-in-pixel (MIP) | OLED | TFT LCD | LCD | Super AMOLED | AMOLED |
Functions |
| Audio Speaker | | | | | | | | | | | | | | |
| Clock | | | | | | | | | | | | | | |
| Phone | | | | | | | | | | | | | | |
| Vibration | | | | | | | | | | | | | | |
| Voice | | | | | | | | | | | | | | |
Hardware |
| Accelerometer | | | | | | | | | | | | | | |
| Barometer or Altimeter | | | | | | | | | | | | | | |
| Ultraviolet Sensor | | | | | | | | | | | | | | |
| Water Resistance | Water resistant up to 50 meters | Not yet | water resistant but not waterproof | 10 ATM (100 Meters) | Water-resistant up to 50m | 5 ATM (50 Meters) | 10 ATM (100 Meters) | 5 ATM (50 Meters) | 10 ATM (100 meters) | 10 ATM (100 Meters) | WR30 | 3 ATM | IP68 | 5 ATM (50 Meters) |
Notifications |
| Phone | | | | | | | | | | | | | | |
| Emails | | | | | | | | | | | | | | |
| Texts | | | | | | | | | | | | | | |
Software |
| Operating System | watchOS 11 | WatchOS 5 | WatchOS 8 | WatchOS 9 | Fitbit OS | Fitbit OS | Garmin Watch OS | Built-in | Garmin Watch OS | Wear OS | | Built-in | Tizen OS | Wear OS 3 |
| Apps | | | | | | | | | | | | | | |
| Music | | | | | | | | | | | | | | |
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