Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray...
Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray...
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SAMSUNG Galaxy Watch 6 44mm Aluminum Smartwatch w/ Fitness Tracker, Heart Monitor, BIA Sensor,...
SAMSUNG Galaxy Watch 6 44mm Aluminum Smartwatch w/ Fitness Tracker, Heart Monitor, BIA Sensor,...
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Choosing between the Garmin Forerunner 255 and the Samsung Galaxy Watch 6 depends on how you plan to use your fitness tracker day to day. Both devices offer health and activity tracking, but they approach fitness, battery life, and smart features differently. This comparison is based strictly on the provided product descriptions and verified customer reviews.

Design and Display

The product description states that the Garmin Forerunner 255 features a slim design with an always-on, full-color display that remains readable in direct sunlight. It is offered in two case sizes, 46 mm and 41 mm, to accommodate different wrist sizes.

Reviewers have noted that the Garmin Forerunner 255 feels lightweight on the wrist. Several users mentioned that it is comfortable enough to wear throughout the day and during sleep. Some reviewers stated that they replaced the included silicone band due to comfort or personal style preferences.

The product description states that the Samsung Galaxy Watch 6 includes a 1.5-inch Super AMOLED display with a 480×480 resolution and an aluminum case. It is rated IP68 and water resistant up to 50 meters.

Reviewers have noted that the Samsung Galaxy Watch 6 has a clear and visually appealing display. Some users mentioned that the screen size makes it easier to read information on the watch face.

Battery Life

The product description states that the Garmin Forerunner 255 provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.

Reviewers have confirmed strong battery performance. Multiple users reported charging the watch infrequently, with some stating that battery life remained consistent over long-term use.

The product description lists a 425mAh battery for the Samsung Galaxy Watch 6 but does not specify expected battery duration.

Reviewers have frequently commented on battery life. Several users reported that the watch typically requires daily charging, while others noted it can last up to one or two days depending on usage. Some reviewers mentioned that charging is relatively fast, but battery longevity was still described as limited.

Fitness and Health Tracking

The product description states that the Garmin Forerunner 255 includes daily suggested workouts, training status evaluation, recovery time estimates, race time predictions, and adaptive training plans through Garmin Coach. It also tracks heart rate variability during sleep and provides a morning report summarizing sleep, HRV status, and daily workout suggestions. The product description specifies that these metrics are estimates.

Reviewers have noted that these features are useful for structured training, particularly for running and marathon preparation. Users also mentioned that GPS tracking and heart rate readings appeared accurate based on their personal comparisons.

The product description states that the Samsung Galaxy Watch 6 offers continuous heart rate monitoring, irregular rhythm notifications related to A-fib, ECG certification, blood pressure monitoring, GPS tracking, and Advanced Sleep Coaching.

Reviewers have highlighted sleep-related insights and health notifications as features they use regularly. Some users mentioned enjoying health and movement notifications throughout the day.

Smart Features and Software

The product description states that the Garmin Forerunner 255 works with the Garmin Connect smartphone app and supports music playback on compatible versions. Certain advanced running metrics require optional accessories sold separately.

Reviewers have noted that Garmin Connect provides detailed workout data and long-term performance tracking. Some users stated that the interface takes time to learn and may feel less intuitive initially.

The product description states that the Samsung Galaxy Watch 6 runs Wear OS 4 with One UI Watch 5 and supports Bluetooth, Wi-Fi, and third-party applications. It is designed for use with Android devices only.

Reviewers have noted that the Samsung Galaxy Watch 6 integrates well with apps such as Spotify and delivers notifications for calls, messages, and emails. Some users mentioned learning additional features through online tutorials.

Comfort and Daily Wear

Reviewers have noted that the Garmin Forerunner 255 is comfortable for extended wear due to its lightweight design. Some users specifically mentioned that it does not feel obtrusive during sleep.

Reviewers of the Samsung Galaxy Watch 6 described it as solid and well-built. Some users mentioned minor wear over time, while others commented positively on its overall feel and appearance.

Maintenance and Long-Term Costs

The product description for the Garmin Forerunner 255 does not include information about maintenance costs or replacement parts.

The product description for the Samsung Galaxy Watch 6 does not include information about maintenance costs or long-term upkeep.

User reviews for both products do not mention recurring maintenance costs or replacement schedules.

Final Thoughts

The Garmin Forerunner 255 may appeal to users focused on structured training and long battery life. Reviewers consistently praised its battery performance and training-focused features, while some noted a learning curve and dissatisfaction with the included band.

The Samsung Galaxy Watch 6 may suit users who want health tracking combined with smartwatch functionality. Reviewers appreciated its display, app support, and health notifications, but many pointed out that frequent charging is required.

Both devices have strengths that align with different priorities, and the better choice depends on whether training depth or smartwatch features matter more to you.

Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray...
SAMSUNG Galaxy Watch 6 44mm Aluminum Smartwatch w/ Fitness Tracker, Heart Monitor, BIA Sensor,...
Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray...
SAMSUNG Galaxy Watch 6 44mm Aluminum Smartwatch w/ Fitness Tracker, Heart Monitor, BIA Sensor,...
$244.99
$209.99
Amazon Prime
-
Last update: 2026-02-25 at 20:48
Last update: 2026-02-25 at 20:48
Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray...
Garmin Forerunner® 255, GPS Running Smartwatch, Advanced Insights, Long-Lasting Battery, Slate Gray...
$244.99
Amazon Prime
Last update: 2026-02-25 at 20:48
SAMSUNG Galaxy Watch 6 44mm Aluminum Smartwatch w/ Fitness Tracker, Heart Monitor, BIA Sensor,...
SAMSUNG Galaxy Watch 6 44mm Aluminum Smartwatch w/ Fitness Tracker, Heart Monitor, BIA Sensor,...
$209.99
-
Last update: 2026-02-25 at 20:48

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