Basic Info |
| Wear Type | Wristband | Clip | |
| Price | | | |
| Ratings | | | |
Activity & Fitness |
| Activity | Yes | Yes | Both track daily activity |
| Calories | Yes | Yes | Both show estimated calories burned |
| Sleep | No | Yes | Fitbit Ultra tracks your sleeping time and quality |
| Heart Rate / Pulse | No | No | Both don't measure heart rate |
| External HR Monitor | Yes | No | |
| Distance | Yes | Yes | Both track your running/walking distance |
| Steps | Yes | Yes | Both track how many steps you take |
| Pace | Yes | No | |
| Speed | Yes | No | |
| Stairs / Floors | Yes | Yes | Both count your climbing stairs or floors |
| Exercise Tagging | No | No | Both don't have exercise tagging |
| Smart Coach | No | No | Both don't have coaching feature |
| Goal Setting | Yes | Yes | Both can help with your goals setting |
| Inactivity Alert | No | No | Both don't have inactivity alerts |
Additional Features |
| GPS | Yes | No | Epson Runsense SF-510 has GPS support |
| Compass | No | No | Both don't have a compass |
| Watch / Clock | Yes | Yes | Both have watch |
| Alarm Clock | No | No | Both don't have alarm clock |
| Reminders | No | No | Both don't have reminder |
| Stopwatch | No | Yes | Fitbit Ultra has a stopwatch |
| Music Playback | n/a | n/a | Both don't have music playback |
| Reports | Activity | Activity, Sleep | |
Smartphone Remote Features |
| Notifications | No | No | Both don't have phone notifications |
| Caller ID | No | No | Both don't show caller ID notification |
| Music Control | No | No | Both don't have phone music control |
| Call Control | No | No | Both don't have call control |
| Camera Control | No | No | Both don't have camera control |
| Find Phone | No | No | Both don't have a find phone feature |
Battery |
| Duration | 20 days | 7 days | Epson Runsense SF-510 battery life is about 2.9 times longer |
| Battery Type | Rechargeable Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | Yes | No | |
| Waterproof | Yes | No | |
| IP Rating | 5 АТМ | n/a | |
| Weight | 49 grams | 9.07 grams | Fitbit Ultra is 39.93 g lighter |
User Interface |
| Display | LCD Screen | LCD Screen | |
| Display Size | 28.2 mm | n/a | |
| Screen Resolution |
128 x 96 pixels
|
n/a
| |
| Color Display | No | No | |
| Touch Screen | No | No | |
Compatibility |
| Android | Yes | No | Epson Runsense SF-510 is compatibles with Android phones and tablets |
| iOS | Yes | Yes | Both compatible iOS devices |
| OS X/Mac | No | Yes | Fitbit Ultra compatibles with MacBooks and iMacs |
| Windows Phone | No | No | Both don't compatible with Windows Phone devices |
| Windows | Yes | Yes | Both can help find your smartphone |
| 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 | No | Only Epson Runsense SF-510 has a built-in Bluetooth connection option |
| 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 | |