| Basic Info | 
| Wear Type | Wristband | Wristband |  | 
| Price | $5995 |  |  | 
| Ratings |  |  |  | 
| Activity & Fitness | 
| Activity | Yes | Yes | Both track daily activity | 
| Calories | Yes | No | Fitbit Charge HR tracks your calories burned | 
| Sleep | Yes | No | Fitbit Charge HR monitors your sleep pattern | 
| Heart Rate / Pulse | Yes | Yes | Both have heart rate tracking | 
| Distance | Yes | No | Fitbit Charge HR measures your walking and running stride lengths | 
| Steps | Yes | No | Fitbit Charge HR has built-in pedometer to count steps | 
| Stairs / Floors | Yes | No | Fitbit Charge HR has built-in altimeter for elevation feature | 
| Exercise Tagging | No | No | Both don't have exercise tagging | 
| Smart Coach | No | No | Both don't have coaching feature | 
| Goal Setting | Yes | No | Set and keep your own daily or weekly goals with Fitbit Charge HR | 
| Inactivity Alert | No | n/a | Both don't have inactivity alerts | 
| Additional Features | 
| GPS | No | No | Both don't have built-in GPS support | 
| Compass | No | n/a | Both don't have a compass | 
| Watch / Clock | Yes | No | Only Fitbit Charge HR has a watch | 
| Alarm Clock | Yes | No | Fitbit Charge HR has a alarm clock | 
| Reminders | No | No | Both don't have reminder | 
| Stopwatch | Yes | No | Fitbit Charge HR has a stopwatch | 
| Music Playback | No | n/a | Both don't have music playback | 
| Reports | Activity, Sleep | Activity |  | 
| Smartphone Remote Features | 
| Notifications | No | No | Both don't have phone notifications | 
| Caller ID | Yes | No | Fitbit Charge HR 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 | 5 days | 30 days | Mio Link battery life is about 6.0 times  longer | 
| Battery Type | Rechargeable Battery | n/a |  | 
| Physical Specs | 
| Weather Resistance | Yes | Yes |  | 
| Waterproof | No | Yes |  | 
| IP Rating | n/a | n/a |  | 
| Weight | n/a | 297 grams |  | 
| User Interface | 
| Display | OLED Screen | LED Lights |  | 
| Display Size | n/a | n/a |  | 
| Screen Resolution | n/a | 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 | Yes | No | Fitbit Charge HR compatibles with MacBooks and iMacs | 
| Windows Phone | Yes | No | Fitbit Charge HR compatibles with a range of Windows Phone devices | 
| Windows | Yes | No | Fitbit Charge HR allows you to locate your phone | 
| Web Portal | Yes | No | Fitbit Charge HR allows you upload and view data on the online portal | 
| Social Features | Yes | n/a | You can integrate Fitbit Charge HR with social networks and share information | 
| 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 | Yes | Only Mio Link has ANT+ wireless technology | 
|  | Buy on Amazon | Buy on Amazon |  |