Featured in this comparison are three outstanding Garmin smartwatches; the Garmin Forerunner 245 Music vs 645 Music vs Vivoactive 4. Each of these three features onboard music storage and is equally well equipped to track your daily activities. The battery life of these three is also impressive. We compare their specs and features head-to-head to find out the differences.
Note that the Forerunner 245 and 645 come in two models while the Vivoactive 4 comes in two sizes. There is the Forerunner 245 and 245 Music, while you have Forerunner 645 and 645 Music. As the names imply, the music editions allow you to store music on the watch which you can listen to offline. On the other hand, the Vivoactive 4 is available in two sizes; Vivoactive 4 and 4s. The difference between the two is that Vivoactive 4 is bigger and has a longer battery life than 4s.
Garmin Forerunner 245 Music vs 645 Music vs Vivoactive 4: Specifications Compared
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Garmin Forerunner 245 Music vs 645 Music vs Vivoactive 4: Fitness Tracking Features
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Garmin Forerunner 245 Music vs 645 Music vs Vivoactive 4: Battery Life
| Forerunner 245 Music | Forerunner 645 Music | Vivoactive 4 |
|
Smartwatch Mode: Up to 7 days GPS mode with music: Up to 6 hours GPS mode without music: Up to 24 hours |
Smartwatch Mode: Up to 7 days GPS mode with music: Up to 5 hours GPS mode without music: Up to 14 hours |
Smartwatch mode: Up to 5 days GPS mode with music: Up to 6 hours GPS mode without music: Up to 20 hours |
Which is Better?
Each of these three has an inbuilt GPS that enables tracking for outdoor events like routes and locations. Moreover, these three will track your heart rate, calories, stress, steps, and many more advanced fitness metrics.
Although these three share a lot of features in common, there are slight differences in the designs, activity tracking features, and battery life which are stated as follows.
- The Forerunner 645 and Vivoactive 4 have a more durable stainless steel bezel unlike the Forerunner 245 which has a fiber-reinforced polymer bezel.
- The Vivoactive 4 features onscreen animated workouts which are not available on Forerunner 645 and 245. The onscreen animated workouts can guide you through some of your favorite workouts.
- The Forerunner 645 and Vivoactive 4 come with an NFC chip that enables Garmin Pay – a non-contactless payment system that lets you make payments with the watch in supported countries.
- The Forerunner 645 and Vivoactive 4 also have an altimeter that enables these two to count floors climbed. The Forerunner 245 can’t count floors.
- Because the Forerunner 245 and Vivoactive 4 are relatively newer watches, they both can track your heart rate underwater which is not possible with Forerunner 645.
- Furthermore, the Vivoactive 4 and Forerunner 245 being relatively newer smartwatches also feature blood oxygen measurement which is not available in the Forerunner 645.
- The Forerunner 245 features PacePro which offers pace guidance to help you stay on track during training. This is not available on Vivoactive 4 and Forerunner 645.
Bottom line, the Vivoactive 4 and Forerunner 645 have better designs than Forerunner 245. The Vivoactive 4 has the most features, while the Forerunner 245 is a cheaper alternative with a decent amount of features.