Basic Info |
| Wear Type | Chest Strap | Wristband | |
| Price | $6999 | $36497 | 4iiii Viiiiva Heart Rate Monitor is 5.2x cheaper |
| Ratings | | | |
Activity & Fitness |
| Activity | No | Yes | Garmin Fenix 5X tracks your activity |
| Calories | No | Yes | Garmin Fenix 5X tracks your calories burned |
| Sleep | No | Yes | Garmin Fenix 5X tracks your sleeping time and quality |
| Heart Rate / Pulse | Yes | Yes | Both have heart rate tracking |
| Distance | No | Yes | Accurate running or walking distance tracking with Garmin Fenix 5X |
| Steps | No | Yes | Garmin Fenix 5X counts your steps |
| Stairs / Floors | No | Yes | Garmin Fenix 5X has built-in altimeter for elevation feature |
| Exercise Tagging | No | Yes | Only Garmin Fenix 5X provides exercise tagging |
| Smart Coach | No | No | Both don't have coaching feature |
| Goal Setting | No | Yes | Set and keep your own daily or weekly goals with Garmin Fenix 5X |
| Inactivity Alert | No | n/a | Both don't have inactivity alerts |
Additional Features |
| GPS | No | Yes | Garmin Fenix 5X has GPS support |
| Compass | No | n/a | Both don't have a compass |
| Watch / Clock | No | Yes | Only Garmin Fenix 5X has a watch |
| Alarm Clock | No | Yes | Garmin Fenix 5X has a alarm clock |
| Reminders | No | Yes | Garmin Fenix 5X has a reminder option |
| Stopwatch | No | Yes | Garmin Fenix 5X has a stopwatch |
| Music Playback | No | n/a | Both don't have music playback |
| Reports | | Activity, Sleep | |
Smartphone Remote Features |
| Notifications | No | Yes | If you get a phone notification, Garmin Fenix 5X make an alert for you |
| Caller ID | No | Yes | Garmin Fenix 5X can notify you who is calling |
| Music Control | No | No | Both don't have phone music control |
| Call Control | No | n/a | Both don't have call control |
| Camera Control | No | n/a | Both don't have camera control |
| Find Phone | No | n/a | Both don't have a find phone feature |
Battery |
| Duration | 200 hours | 12 days | |
| Battery Type | Replaceable Cell Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | Yes | Yes | |
| Waterproof | No | Yes | |
| IP Rating | IP 67 | n/a | |
| Weight | 5 grams | 98 grams | 4iiii Viiiiva Heart Rate Monitor is 93.0 g lighter |
User Interface |
| Display | No | LCD Screen | |
| Display Size | | n/a | |
| Screen Resolution | |
n/a
| |
| Color Display | No | n/a | |
| Touch Screen | No | n/a | |
Compatibility |
| Android | Yes | Yes | Both compatible with Android devices |
| iOS | Yes | Yes | Both compatible iOS devices |
| OS X/Mac | No | No | Both don't compatible MAC OS X devices |
| Windows Phone | No | Yes | Garmin Fenix 5X compatibles with a range of Windows Phone devices |
| Windows | No | No | Both don't have a find phone feature |
| Web Portal | No | No | Both don't have online web portal option |
| Social Features | No | n/a | Both don't have social features |
Connectivity |
| Bluetooth | Yes | Yes | Both have Bluetooth data transfer technology |
| Wi-Fi | No | Yes | Select Garmin Fenix 5X if you need a built-in Wi-Fi connectivity |
| NFC | No | No | Both don't have NFC connectivity |
| ANT+ | Yes | Yes | Both provide ANT+ wireless technology |
| Buy on Amazon | Buy on Amazon | |
