Garmin Forerunner 225 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. HTC re Grip
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| GarminForerunner 225Remove Buy Now | Garmin645 MusicRemove Buy Now | Michael KorsGraysonRemove Buy Now | AppleWatch Series 4Remove Buy Now | Michael KorsGraysonRemove Buy Now | HTCre GripRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $300 | $450 | $350 | $329 | $350 | $199 |
| Release | 2015 | 2018 | 2018 | 2018 | 2018 | 2020 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 10 hours to 4 weeks | 7 days | 24 hours | Not Yet | 24 hours | 5 hours to 2.5 days |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | NA | ||||
| Mac | n/a | NA | ||||
| Windows | n/a | NA | ||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | 180 x 180 | 240 x 240 | 453 x 454 | 384 x 480 | 453x454 | 160 x 32 |
| Size | 1 inch | 1.2 inches | 1.39 inches | 1.78 inches | 1.39 inches | 1.8 inches |
| Touch | ||||||
| Type | n/a | MIP | AMOLED | MicroLED | AMOLED | PMOLED |
Functions | ||||||
| Audio Speaker | 22 | |||||
| Clock | ||||||
| Phone | n/a | |||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 5 ATM | 5 ATM | 1 ATM | Not Yet | 1 ATM | IP57 |
Notifications | ||||||
| Phone | n/a | |||||
| Emails | n/a | |||||
| Texts | n/a | |||||
Software | ||||||
| Operating System | n/a | Android Wear | Watch OS 5 | Android Wear | NA | |
| Apps | n/a | |||||
| Music | n/a | |||||