Basic Info |
| Wear Type | Wristband | Wristband | |
| Price | | | |
| Ratings | | | |
Activity & Fitness |
| Activity | No | Yes | TomTom Spark 3 Cardio tracks your activity |
| Calories | Yes | Yes | Both show estimated calories burned |
| Sleep | No | Yes | TomTom Spark 3 Cardio monitors your sleep pattern |
| Heart Rate / Pulse | Yes | Yes | Both measure heart rate |
| Distance | Yes | Yes | Both track your running/walking distance |
| Steps | No | Yes | TomTom Spark 3 Cardio has built-in pedometer to count steps |
| Stairs / Floors | No | No | Both don't track climbing stairs or floors |
| Exercise Tagging | No | Yes | Only TomTom Spark 3 Cardio provides 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 | n/a | n/a | Both don't have inactivity alerts |
Additional Features |
| GPS | Yes | Yes | Both have integrated GPS modules |
| Compass | n/a | n/a | Both don't have a compass |
| Watch / Clock | Yes | Yes | Both have watch |
| Alarm Clock | Yes | Yes | Both have alarm clock |
| Reminders | No | No | Both don't have reminder |
| Stopwatch | No | No | Both don't have stopwatch |
| Music Playback | n/a | n/a | Both don't have music playback |
| Reports | | 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 | Yes | TomTom Spark 3 Cardio allows control smartphone music player |
| Call Control | n/a | n/a | Both don't have call control |
| Camera Control | n/a | n/a | Both don't have camera control |
| Find Phone | n/a | n/a | Both don't have a find phone feature |
Battery |
| Duration | 42 days | 21 days | Garmin Forerunner 620 battery life is about 2.0 times longer |
| Battery Type | Rechargeable Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | Yes | Yes | |
| Waterproof | Yes | Yes | |
| IP Rating | n/a | n/a | |
| Weight | 44 grams | 50 grams | Garmin Forerunner 620 is 6.0 g lighter |
User Interface |
| Display | LCD Screen | LCD Screen | |
| Display Size | n/a | n/a | |
| Screen Resolution |
n/a
|
n/a
| |
| Color Display | n/a | n/a | |
| Touch Screen | n/a | 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 | No | Both don't compatible with Windows Phone devices |
| Windows | No | No | Both don't have a find phone feature |
| Web Portal | Yes | Yes | Both have access to online web portal |
| Social Features | n/a | n/a | 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+ | Yes | No | Only Garmin Forerunner 620 has ANT+ wireless technology |
| Buy on Amazon | Buy on Amazon | |
