Basic Info |
| Wear Type | Wristband | Wristband | |
| Price | $21600 | | |
| Ratings | | | |
Activity & Fitness |
| Activity | Yes | Yes | Both track daily activity |
| Calories | Yes | Yes | Both show estimated calories burned |
| Sleep | Yes | Yes | Both track sleep pattern |
| Heart Rate / Pulse | Yes | No | Suunto Ambit3 Sport HR has the heart rate monitoring sensor |
| Distance | Yes | Yes | Both track your running/walking distance |
| Steps | Yes | Yes | Both track and count your steps |
| Pace | Yes | No | |
| Speed | Yes | No | |
| Stairs / Floors | No | Yes | U8 has built-in altimeter for elevation feature |
| Exercise Tagging | Yes | No | Only Suunto Ambit3 Sport HR provides exercise tagging |
| Smart Coach | No | No | Both don't have coaching feature |
| Goal Setting | No | No | Both don't have goal setting |
| Inactivity Alert | No | Yes | U8 helps you stay active with inactivity alert |
Additional Features |
| GPS | Yes | No | Suunto Ambit3 Sport HR has GPS support |
| Navigation | Yes | No | Suunto Ambit3 Sport HR has onboard GPS navigation |
| Compass | Yes | No | Suunto Ambit3 Sport HR has a compass |
| Watch / Clock | Yes | Yes | Both have watch |
| Alarm Clock | Yes | Yes | Both have alarm clock |
| Reminders | No | Yes | U8 has a reminder option |
| Stopwatch | Yes | Yes | Both have stopwatch |
| Music Playback | No | No | Both don't have music playback |
| Temperature | No | Yes | |
| Reports | Activity, Sleep | Activity, Sleep | |
Smartphone Remote Features |
| Notifications | Yes | Yes | Both show smartphone notifications |
| Caller ID | Yes | Yes | Both show caller ID notification |
| Music Control | No | Yes | U8 allows control smartphone music player |
| Call Control | No | Yes | U8 allows you control phone calls |
| Camera Control | No | Yes | U8 has a smartphone's remote control function |
| Find Phone | No | No | Both don't have a find phone feature |
Battery |
| Duration | 14 days | 6 days | Suunto Ambit3 Sport HR battery life is about 2.3 times longer |
| Battery Type | Rechargeable Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | Yes | Yes | |
| Waterproof | No | No | |
| IP Rating | 5 ATM | n/a | |
| Weight | 80 grams | 44 grams | U8 is 36.0 g lighter |
User Interface |
| Display | Yes | LCD Screen | |
| Display Size | n/a | 1,48 inches | |
| Screen Resolution |
128 x 128 pixels
|
128 x 128 pixels
| |
| Color Display | No | Yes | |
| Touch Screen | No | Yes | |
Compatibility |
| Android | Yes | Yes | Both compatible with Android devices |
| iOS | Yes | Yes | Both compatible iOS devices |
| OS X/Mac | Yes | No | Suunto Ambit3 Sport HR compatibles with MacBooks and iMacs |
| Windows Phone | No | Yes | U8 compatibles with a range of Windows Phone devices |
| Windows | Yes | No | Suunto Ambit3 Sport HR allows you to locate your phone |
| Web Portal | No | No | Both don't have online web portal option |
| Social Features | No | No | Both don't have social features |
Connectivity |
| Bluetooth | Yes | Yes | Both have Bluetooth data transfer technology |
| Wi-Fi | No | No | Both don't have Wi-Fi connection |
| NFC | No | No | Both don't have NFC connectivity |
| ANT+ | No | No | Both don't provide ANT+ wireless technology |
| Buy on Amazon | Buy on Amazon | |
