Polar Loop 2 vs. Withings Go vs. Garmin Forerunner 235 vs. Garmin Forerunner 45
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| PolarLoop 2Remove Buy Now | WithingsGoRemove Buy Now | GarminForerunner 235Remove Buy Now | GarminForerunner 45Remove Buy Now |
Basic Info | ||||
| Suggested Price | $120 | $80 | $299.99 | $199 |
| Release | 2015 | 2016 | 2017 | 2019 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | n/a | |||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 8 days (without notifications) | 8 months | 9 days | 7 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | n/a | |||
| iOS | n/a | |||
| Windows Phone | n/a | n/a | ||
| Mac | n/a | n/a | ||
| Windows | n/a | n/a | ||
Connectivity | ||||
| Bluetooth | n/a | |||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | n/a | |||
| Resolution | n/a | n/a | 215 x 180 | 208 x 208 |
| Size | n/a | n/a | 1.23 inches | 1.04 inches |
| Touch | n/a | |||
| Type | LED | E-Ink | MIP | LCD |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | n/a | |||
| Vibration | n/a | |||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 2 ATM | 5 ATM | 5 ATM | 5 ATM |
Notifications | ||||
| Phone | n/a | |||
| Emails | n/a | |||
| Texts | n/a | |||
Software | ||||
| Operating System | n/a | n/a | Built-in | |
| Apps | n/a | |||
| Music | ||||