Garmin 645 Music vs. Samsung Gear 2 vs. Fitbit Charge 3 vs. Garmin VivoActive 4 vs. Apple SE
 | | | | | |
| Garmin645 MusicRemove Buy Now | SamsungGear 2Remove Buy Now | FitbitCharge 3Remove Buy Now | GarminVivoActive 4Remove Buy Now | AppleSERemove Buy Now |
Basic Info | |||||
| Suggested Price | $450 | $300 | $150 | $349 | $279 |
| Release | 2018 | 2014 | 2018 | 2019 | 2020 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | NA | ||||
| Swim | |||||
Battery | |||||
| Duration | 7 days | 2-3 days | 7 days | 8 days | 18 hours |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | NA | ||||
| Windows | NA | Not yet | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | NA | ||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 240 x 240 | 320 x 320 | 66 x 18 | 260 x 260 | 384 x 480 |
| Size | 1.2 inches | 1.63 inches | .721 inches | 1.3ionches | 40mm |
| Touch | |||||
| Type | MIP | Super AMOLED | OLED | MIP | MicroLED |
Functions | |||||
| Audio Speaker | Bluetooth | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | Not yet | ||||
| Water Resistance | 5 ATM | IP67 | 5 ATM | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Tizen OS | NA | Wear OS | WatchOS 5 | |
| Apps | |||||
| Music | |||||