Samsung Gear S2 vs. Amazfit Stratos vs. Fitbit Charge 3 vs. Swatch Touch Zero One vs. Amazfit T-Rex
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| SamsungGear S2Remove Buy Now | AmazfitStratosRemove Buy Now | FitbitCharge 3Remove Buy Now | SwatchTouch Zero OneRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $300 | $199 | $150 | $220 | $140 |
| Release | 2015 | 2018 | 2018 | 2015 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | n/a | ||||
| Steps | |||||
| Swim | n/a | ||||
Battery | |||||
| Duration | 2-3 days | 5 days | 7 days | n/a | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | n/a | ||||
| iOS | n/a | ||||
| Windows Phone | n/a | n/a | |||
| Mac | n/a | n/a | |||
| Windows | n/a | Not yet | n/a | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | ||||
| GPS | n/a | ||||
| NFC | NA | ||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 360 x 360 | 320 x 300 | 66 x 18 | n/a | 360 x 360 |
| Size | 1.2 inches | 1.34 inches | .721 inches | n/a | 1.3 inches |
| Touch | |||||
| Type | Super AMOLED | OLED | OLED | n/a | AMOLED |
Functions | |||||
| Audio Speaker | n/a | ||||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | n/a | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | n/a | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | IP68 | 5 ATM | 5 ATM | 5 ATM | |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | Tizen | Proprietary | NA | n/a | Build-in |
| Apps | |||||
| Music | n/a | ||||