Garmin Vivofit 3 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4 vs. Amazfit T-Rex vs. Apple Watch Ultra
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| GarminVivofit 3Remove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now | GarminVivosmart 4Remove Buy Now | AmazfitT-RexRemove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $100 | $350 | $350 | $130 | $140 | $799 |
| Release | 2016 | 2018 | 2018 | 2018 | 2019 | 2022 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | n/a | |||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 1 year | 24 hours | 24 hours | 7 days | 20 days | 36 hrs |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | ||||||
| Mac | n/a | |||||
| Windows | n/a | |||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | 64 x 64 | 453 x 454 | 453x454 | 48 x 128 | 360 x 360 | 502x410 pixels |
| Size | 0.55 inches | 1.39 inches | 1.39 inches | 0.74 inches | 1.3 inches | 1.92 inches |
| Touch | ||||||
| Type | n/a | AMOLED | AMOLED | OLED | AMOLED | |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | LTPO OLED Retina | |||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 5 ATM | 1 ATM | 1 ATM | 5 ATM | 5 ATM | 10 ATM (100 Meters) |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Android Wear | Android Wear | Build-in | WatchOS 9 | |
| Apps | ||||||
| Music | ||||||