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Price and Release Date |
| Suggested Price | $130 | $399 | $799 | $799 | $155 | $749 | $350 | $229 | $120 | $150 | $350 |
| Release / Update | 2017 | 2024 | 2023 | 2022 | 2017 | 2023 | 2018 | 2021 | 2015 | 2020 | 2016 |
Activity & Fitness |
| Calories | | | | | | | | | | | |
| Distance | | | | | | | | | | | |
| Heart | | Third-generation optical heart sensor | Third-generation optical heart sensor | | | | | | $ | | |
| VO2max (Oxygen) | | | | | | | | | | | |
| Sleep | | | | | | | | | | | |
| Steps | | | | | | | | | | | |
| Stress mgt | | | | | | | | | | | |
| Female health | | | | | | | | | | | |
| Skin temp | | | | | | | | | | | |
| Breath rate | | | | | | | | | | | |
Battery |
| Duration | 5 days | Up to 18 hours normal use | Up to 36 hours normal use, Up to 72 hours in Low Power Mode | 36 hrs | 5 months | Up to 12 days in smartwatch mode, Up to 32 hours in GPS mode, Up to 20 hours in GPS mode with music | 1 day | 5 Days | 8 days (without notifications) | 3 days | 4 days |
| Rechargeable | | | | | | | | | | | |
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Compatibility Support |
| Android | | | | | | | | | | | |
| iOS | | | | | | | | | | | |
| Windows Phone | | | | | | | | | | | |
| Mac | | | | | | | | | n/a | | |
| Windows | | | | | | | | | n/a | | |
Connectivity Support |
| Bluetooth | | | | | | | | | | | |
| Cellular | | | | | | | | | | | Yes +$ |
| GPS | | | | | | | | | | | |
| NFC | | | | | | | | | | | |
| Wi-Fi | | | | | | | | | | | |
Display |
| Color | | | | | | | | | | | |
| Resolution | 320 x 300 | 42mm: 374 x 446 pixels; 46mm: 416 x 496 pixels | 502 x 410 pixels | 502×410 pixels | | 465 x 465 pixels | 390 x 390 | 240 x 240 | | 240 x 240 | 360 x 360 |
| Size | 1.34 inches | 42mm or 46mm | 49mm | 1.92 inches | | 1.4 inches | 1.19 inches | 1.6 inches | | 1.7 inches | 1.3 inches |
| Touch | | | | | | | | | | | |
| Type | TFT LCD | Always-On Retina LTPO OLED | Always-On Retina LTPO OLED | LTPO OLED Retina | | Sunlight-visible, transflective memory-in-pixel (MIP) | AMOLED | LCD | LED | OLED | Fullcolor AOD |
Functions |
| Audio Speaker | | | | | | | | | | | |
| Clock | | | | | | | | | | | |
| Phone | | | | | | | | | | | |
| Vibration | | | | | | | | | | | |
| Voice | | | | | | | | | | | |
Hardware |
| Accelerometer | | | | | | | | | | | |
| Barometer or Altimeter | | | | | | | | | | | |
| Ultraviolet Sensor | | | | | | | | | | | |
| Water Resistance | IP67 | Water resistant up to 50 meters | Water resistance 100m, Dust resistance IP6X, EN13319 recreational scuba diving to 40m, Tested to MIL-STD 810H | 10 ATM (100 Meters) | 5 ATM | 10 ATM (100 meters) | 3 ATM | 3 ATM | 2 ATM | 3 ATM | IP68 |
Notifications |
| Phone | | | | | | | | | | | |
| Emails | | | | | | | | | | | |
| Texts | | | | | | | | | | | |
Software |
| Operating System | Proprietary | watchOS 11 | WatchOS 10 | WatchOS 9 | | Garmin Watch OS | Wear OS | Built-in | n/a | Built-in | Tizen OS |
| Apps | | | | | | | | | | | |
| Music | | | | | | | | | | | Spotify |
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