Samsung Gear S2 vs. Polar M430 vs. Amazfit T-Rex vs. Apple Watch 7 vs. Apple Watch Ultra
 | | | | | |
| SamsungGear S2Remove Buy Now | PolarM430Remove Buy Now | AmazfitT-RexRemove Buy Now | AppleWatch 7Remove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | |||||
| Suggested Price | $300 | $255 | $140 | $429 | $799 |
| Release | 2015 | 2017 | 2019 | 2021 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2-3 days | 30 hours | 20 days | 18 Hours | 36 hrs |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | ||||
| GPS | n/a | ||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 360 x 360 | 128x128 | 360 x 360 | 396 x 484 | 502x410 pixels |
| Size | 1.2 inches | 1.4 inch | 1.3 inches | 1.9 inches | 1.92 inches |
| Touch | |||||
| Type | Super AMOLED | LCD | AMOLED | MicroLED | |
Functions | |||||
| Audio Speaker | |||||
| Clock | LTPO OLED Retina | ||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IP68 | WR30 | 5 ATM | water resistant but not waterproof | 10 ATM (100 Meters) |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Tizen | Build-in | WatchOS 8 | WatchOS 9 | |
| Apps | |||||
| Music | |||||