Picking a new smartwatch usually comes down to two names: Garmin and Samsung. Both brands cover everything from budget fitness bands to premium AMOLED flagships, but they're built with very different priorities in mind. This guide compares Garmin and Samsung smartwatches across battery life, health tracking, phone compatibility, design and price, so you can work out which brand actually suits how you live and train.

Garmin Smartwatches: Built for Fitness and Outdoor Performance

Garmin has built its reputation on multi-day battery life, GPS accuracy and training tools that serious athletes rely on. The range spans rugged solar-powered adventure watches through to slim AMOLED lifestyle models, so there's a Garmin for almost every activity level and budget.

At the everyday end, the Garmin Vivoactive 6 offers a bright AMOLED touchscreen, built-in sports apps and up to 11 days of smartwatch-mode battery life, making it a solid all-rounder for gym sessions, walks and general daily tracking. Step up to the Garmin Venu 4 and you get a sharper 454 x 454 pixel AMOLED display, up to 12 days of battery and a deeper set of 24/7 health metrics, positioned as Garmin's direct answer to mainstream lifestyle smartwatches.

For anyone who spends more time outdoors than at a desk, the Garmin Instinct 3 is built around durability and endurance, with a scratch-resistant display and solar charging that can stretch battery life to 28 days in smartwatch mode, or unlimited in some solar conditions. At the top of the range, the Garmin fenix 8 brings a Corning Gorilla Glass AMOLED display, multi-band GPS and up to 16 days of battery life to a genuinely premium, adventure-ready build. Runners specifically are well catered for too: the Garmin Forerunner 265 is a dedicated training watch with a 46mm AMOLED touchscreen and features like training load, recovery time and race predictions built in.

Across the range, Garmin watches pair with both iOS and Android phones through the Garmin Connect app, so switching phone brands later doesn't mean losing your watch or your training history.

Samsung Smartwatches: Smart Features and Seamless Android Integration

Samsung's Galaxy Watch line takes a different approach, leaning into smartwatch features, sleek AMOLED design and tight integration with the Samsung and wider Android ecosystem, running on Wear OS Powered by Samsung.

2026 update: Samsung has since introduced the Galaxy Watch9 generation. Tech Supply Shed's current Samsung range is built around the Galaxy Watch8 series, so this comparison focuses on the models available through our store today.

The Samsung Galaxy Watch8 comes in 40mm and 44mm sizes with a 1.34" Sapphire Crystal AMOLED display and up to 40 hours of battery life, while the Galaxy Watch8 Classic adds a rotating bezel and a chunkier 46mm case for a more traditional watch feel without giving up any of the sensor suite. For those who want to stay connected without a phone nearby, the Galaxy Watch8 LTE adds its own mobile connection for calls and messages on the move.

If budget or simplicity matters more than a full smartwatch feature set, the Samsung Galaxy Fit3 is a slimline fitness tracker with up to 13 days of battery life, covering the essentials like exercise, sleep and heart rate tracking at a fraction of the price of a full Galaxy Watch.

One important limitation to know before buying: current Galaxy Watch8 models require a phone running Android 12 or later with the Galaxy Wearable app, and Samsung does not offer iOS support for this generation of watch. If most of your household uses iPhones, that's worth checking before you commit, even if you personally carry an Android phone.

Garmin vs Samsung: Side-by-Side Comparison

Battery Life: Days vs Hours

This is where the two brands diverge most sharply. Garmin's smartwatch-mode battery life is measured in days, and its solar and rugged models like the Instinct 3 push that out to several weeks between charges. Samsung's Galaxy Watch8 line, by contrast, is built more like a traditional smartwatch, with battery life measured in hours rather than days, closer to 40 hours with typical use before it needs a charge. If you travel, camp or simply dislike charging a watch every night or two, that difference alone can decide which brand suits you.

Health and Fitness Tracking

Both brands track the fitness fundamentals well: heart rate, sleep stages, steps and workouts. Garmin's strength is in the depth of its training tools, with metrics like Body Battery energy monitoring, HRV status, training load and recovery time built specifically for people following a structured training plan. Samsung's health tools lean on its BioActive sensor for body composition analysis, along with ECG and blood pressure features on supported models, and tie neatly into the wider Samsung Health app if you're already using a Galaxy phone.

Design and Durability

Garmin's range covers a wider spread of use cases, from the slimline Vivoactive 6 through to genuinely rugged, scratch-resistant models like the Instinct 3 and fenix 8, which are built to handle knocks, dust and rough outdoor conditions. Samsung's Galaxy Watch line focuses on a more polished, everyday look, with the Classic model's rotating bezel appealing to anyone who prefers a traditional watch feel over a purely digital one.

Price Comparison

Samsung generally wins on entry-level pricing, with the Galaxy Fit3 and base Galaxy Watch8 sitting well under $500. Garmin's range stretches further in both directions, from the budget-friendly Forerunner 55 through to premium fenix 8 Sapphire models above $2,000, so there's more room to spend up for extra durability, solar charging or multi-band GPS if you need it.

Which Smartwatch Brand Is Right for You?

If you're training seriously, spend a lot of time outdoors, or simply don't want to think about charging your watch every day or two, Garmin's battery life and sport-specific tools make it the stronger fit. If you carry an Android phone, want a sleek AMOLED design and value tight integration with your existing apps and notifications over multi-day battery life, a Samsung Galaxy Watch is likely the better everyday choice. iPhone owners should note that current Galaxy Watch8 models are Android-only, which for many people settles the decision before price or features even come into it.

Frequently Asked Questions

Can a Samsung Galaxy Watch work with an iPhone?

No. Current Galaxy Watch8 models require an Android phone running Android 12 or later with the Galaxy Wearable app installed, and Samsung does not offer iOS support for this generation of watch.

Which lasts longer, a Garmin or a Samsung smartwatch?

Garmin generally lasts longer between charges. Its AMOLED lifestyle watches run up to around 12 days in smartwatch mode, and rugged solar models like the Instinct 3 can stretch to 28 days or more. Samsung's Galaxy Watch8 is closer to 40 hours of typical use.

Is Garmin or Samsung better for fitness tracking?

Both track the fitness essentials well. Garmin tends to suit structured training with tools like training load and recovery time, while Samsung's BioActive sensor and Samsung Health integration suit users who want broader health metrics alongside everyday smartwatch features.

Do Garmin watches work with Android phones?

Yes. Garmin watches pair with both iOS and Android phones through the Garmin Connect app, so you're not locked into one phone ecosystem.

Which smartwatch is best for beginners?

For most beginners, an entry-level model from either brand covers the basics well. The Garmin Vivoactive 6 or Samsung Galaxy Fit3 are both straightforward starting points, depending on which phone you use and whether multi-day battery life or a full smartwatch feature set matters more to you.

Find Your Next Smartwatch

Whether you're after Garmin's endurance and outdoor toughness or Samsung's sleek, connected design, the right choice comes down to your phone, your battery-life patience and how you plan to use it day to day. Browse the full range of smart watches at Tech Supply Shed NZ to compare current models and find the one that fits your lifestyle.