Garmin Forerunner 45 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex vs. Apple Watch 8 vs. Apple Watch Ultra
GarminForerunner 45Remove Buy Now | GarminVivosmart 4Remove Buy Now | AmazfitT-RexRemove Buy Now | AppleWatch 8Remove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | |||||
Suggested Price | $199 | $130 | $140 | $499 | $799 |
Release | 2019 | 2018 | 2019 | 2022 | 2022 |
Activity & Fitness | |||||
Calories | |||||
Cycling (Bicycling) | |||||
Distance | |||||
Heart | |||||
Oxygen | |||||
Sleep | |||||
Steps | |||||
Swim | |||||
Battery | |||||
Duration | 7 days | 7 days | 20 days | 18 hrs | 36 hrs |
Rechargeable | |||||
Compatibility | |||||
Android | |||||
iOS | |||||
Windows Phone | |||||
Mac | |||||
Windows | |||||
Connectivity | |||||
Bluetooth | |||||
Cellular | |||||
GPS | |||||
NFC | |||||
Wi-Fi | |||||
Display | |||||
Color | |||||
Resolution | 208 x 208 | 48 x 128 | 360 x 360 | 340 x 272 or 390 x 312 | 502x410 pixels |
Size | 1.04 inches | 0.74 inches | 1.3 inches | 1.5 inches or 1.65 inches | 1.92 inches |
Touch | |||||
Type | LCD | OLED | AMOLED | AMOLED | |
Functions | |||||
Audio Speaker | |||||
Clock | LTPO OLED Retina | ||||
Phone | |||||
Vibration | |||||
Voice | |||||
Hardware | |||||
Accelerometer | |||||
Barometer or Altimeter | |||||
Ultraviolet Sensor | |||||
Water Resistance | 5 ATM | 5 ATM | 5 ATM | 5 ATM | 10 ATM (100 Meters) |
Notifications | |||||
Phone | |||||
Emails | |||||
Texts | |||||
Software | |||||
Operating System | Built-in | Build-in | WatchOS 9 | WatchOS 9 | |
Apps | |||||
Music |