Yesif you prioritize the Google/Samsung ecosystem, apps, NFC payments and modern health follow -up.
Noif your priority is endurance over several days or expert sports metrics type sorting/ultra-trail.
With a recent Galaxy smartphone, one UI 8 Watch integration is higher: useful widgets, sleep coaching and cardio, fluid synchronization of services.
On Pixel, OnePlus, Xiaomi, the experience remains very good via Wear OS 6, but certain health functions of Samsung remain exclusive to the Galaxy ecosystem.
Recent Galaxy Watch are not compatible iOS. If you are on iPhone, stay on Apple Watch or a dedicated health bracelet.
Take Huawei or Garmin if you want 5–10 days between two charges. The Galaxy Watch Ultra takes longer than Watch 8/Classic, but remains below endurance-oriented sportswoman.
Count 25–40 hours on Watch 8/Classic according to AOD, notifications, GPS and LTE. Ultra stretches 2–3 days in economical settings.
| Scenario | AOD | GPS / Day | Lte / day | Watch 8 | 8 Classic | Ultra |
|---|---|---|---|---|---|---|
| Desk | off | 0 h | 0 h | 36–40 h | 40–48 h | 48–60 h |
| Daily sport | we | 1 h | 0.5 h | 24–28 h | 24–30 h | 36–44 h |
| Hiking weekend | off | 3 h | 0 h | 20–26 h | 22–28 h | 32–40 h |
ECG, SPO₂, temperature, sleep and coaching are there. Cardio accuracy is sufficient for consumer use. For intense intervals, an HR belt remains more reliable.
Double frequency L1/L5 on the 2025 generation. Overall clean in town. Ultra is better in difficult conditions and urban canyon.
The LTE allows calls, messages, music and payment without a phone. ESIM reduces endurance: validate the operator eligibility before choosing a 4G model.
Wear OS 6 provides energy optimizations, richer tiles and reinforced AI integration. One UI 8 Watch pushes ergonomics and health coaches.
| Model | For whom | Real autonomy | France price (indicative) |
|---|---|---|---|
| Galaxy Watch 8 | Android all-year, light | ~ 30–40 h (AOD OFF), ~ 25–30 h (AOD ON) | ~ 379–459 € depending on size/LTE |
| Galaxy Watch 8 Classic | Rotative bezel fans | ~ 25–50 h according to use | ~ 529–579 € |
| Galaxy Watch Ultra | Outdoor, readability and endurance | 2–3 realistic days | ~ € 699 (excluding promotions) |
Watch 8 in aluminum, light. Steel Classic with rotating bezel. Ultra in titanium, action button, better readability. LTE is useful if you often go out without a phone.
Classic: Watchmaking and bezel ergonomics look. Ultra: 10 ATM/IP68, higher readability and longer outfit in mixed use.
Tight budget: Watch 8 Bluetooth. Comfort and navigation: 8 Classic. Outdoor and Endurance margin: Ultra. For complete measurements, read our full Galaxy Watch8 LTE test.
Watch 8: 379–459 € depending on size and LTE. 8 Classic: 529–579 €. Ultra: € 699. Wait notable discounts during major promotional periods (back to school, Black Friday).
Avoid buying a watch 7 weakly stored when a Watch 8 is on promotion. First check the key differences between Galaxy Watch 8 and 7.
Watch 8/Classic: 1–2 days. Ultra: 2–3 days. Garmin/Huawei watches go far if endurance is your n ° 1 criterion.
Wear OS 6 is solid, but some health and advanced synchronization functions remain better with a Galaxy smartphone.
Samsung flagships are updated for several years. However, the resale value drops faster than at Apple.
Huawei and Garmin offer superior endurance with fewer apps and connected services.
Garmin dominates for pro metrics, training analysis and cartography.
Watch 8 Bluetooth in promotion: Best functional/price ratio in the 2025 range.
Stay on Apple Watch to avoid any friction of compatibility.
Yes for regular use: reliable GPS, complete sensors and apps. For sharp metrics and ultra-endurance, prefer a dedicated sportswoman.
24–40 hours according to AOD, GPS and LTE. Ultra is significantly longer in economical settings.
Watch 8 for price and lightness. Classic for the rotary bezel. Ultra for outdoor and endurance.
No for recent models: no iOS compatibility. Opt for an Apple Watch if you are on iPhone.
Verdict : The Samsung Galaxy Watch is worth it in 2025 if you are on Android and you are looking for a versatile, fluid and well -integrated watch.
Quick choice : Watch 8 for the price, 8 classic for the bezel, ultra for the outdoor.
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