# Which smartwatch is best for fitness tracking and health monitoring? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which smartwatch is best for fitness tracking and health monitoring?

## Products

### Garmin Garmin Venu X1
```yaml
product: garmin-garmin-venu-x1
brand: Garmin
price_gbp: 447.09
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Garmin
model: Venu X1
resolution: 416 x 416
screen_size: 2 in
battery_life: 48
connectivity: Bluetooth, Wi‑Fi, GPS
operating_system: Garmin OS
water_resistance: 5 ATM
heart_rate_monitor: true
```

- **Price:** £447.09 [^1]
- **Summary:** The Garmin Venu X1 is a 51 mm fitness-focused smartwatch with a 2 in AMOLED display, onboard GPS, built-in speaker and microphone, and advanced training and health metrics. It includes features like offline maps, 100+ sport apps, and comprehensive health monitoring suited for active users. The watch balances a large high-resolution display with multisport tracking and smart features.
- **Ideal For:** Best for fitness tracking and health monitoring because it has onboard GPS, continuous heart rate monitoring, advanced training metrics, and a 2 in AMOLED screen for clear workout data.
- **Additional Sources:** [^2], [^1], [^2]

### Huawei Huawei Watch Fit 4
```yaml
product: huawei-huawei-watch-fit-4
brand: Huawei
price_gbp: 134.13
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
resolution: 480 × 408 pixels
screen_size: 1.82 in
battery_life: 168
connectivity: Bluetooth 5.2, GNSS, NFC (selected model), Speaker, Microphone
operating_system: HarmonyOS
water_resistance: 5 ATM
heart_rate_monitor: true
```

- **Price:** £134.13 [^3]
- **Summary:** The Huawei Watch Fit 4 is a lightweight 43mm smartwatch with a 1.82 in AMOLED 480 × 408 display, HarmonyOS, multi-day battery life, built-in GPS and 24/7 health monitoring including optical heart rate and SpO2. It offers robust fitness tracking with 100+ workout modes and 5 ATM water resistance, packaged in an aluminium case with wireless charging. It suits users who want long battery life and comprehensive fitness features without a bulky watch. 
- **Ideal For:** Suitable for fitness tracking and health monitoring because it has a 1.82 in AMOLED 480 × 408 display, optical heart rate sensor, GNSS GPS, and up to 7 days typical (10 days maximum) battery life enabling continuous monitoring.
- **Additional Sources:** [^4], [^3], [^4]

### Samsung Samsung Galaxy Watch Ultra (47mm)
```yaml
product: samsung-samsung-galaxy-watch-ultra-47mm
brand: Samsung
price_gbp: 409.83
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
resolution: 480x480
screen_size: 1.5 in
battery_life: 60
connectivity: Bluetooth 5.3, Wi-Fi, NFC, LTE (optional)
operating_system: Wear OS 5 (Android)
water_resistance: IP68, 10 ATM
heart_rate_monitor: true
```

- **Price:** £409.83 [^5]
- **Summary:** The Galaxy Watch Ultra (47mm) is a rugged titanium smartwatch with a 1.5 in Super AMOLED 480x480 display, BioActive health sensors including optical heart rate and SpO2, dual-frequency GPS, and a large 590 mAh battery offering extended battery life. It runs Wear OS 5 with extensive fitness and health features and optional LTE for standalone use, aimed at outdoor and multisport users.
- **Ideal For:** Ideal for fitness and health monitoring because it has BioActive sensors (optical heart-rate and SpO2), dual-frequency GPS, and a long-lasting 590 mAh battery (up to 60 hours).
- **Additional Sources:** [^6], [^5], [^6]

### Withings Withings ScanWatch Light
```yaml
product: withings-withings-scanwatch-light
brand: Withings
price_gbp: 186.25
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
resolution: 14504 px, 282 PPI
screen_size: 0.63 in
battery_life: 840
connectivity: Bluetooth Low Energy
operating_system: HealthSense OS 3
water_resistance: 5ATM
heart_rate_monitor: Multi-wavelength PPG (24/7 heart rate tracking)
```

- **Price:** £186.25 [^7]
- **Summary:** The Withings ScanWatch Light is a hybrid smartwatch with a 0.63 in grayscale OLED display, multi-wavelength PPG heart-rate monitoring, up to 35-day battery life, Gorilla Glass and 5ATM water resistance. It runs HealthSense OS 3, pairs with iOS and Android, and focuses on long battery life and essential health tracking rather than full smartwatch features. Suited for users who want medical-grade-inspired health metrics in a classic analog-style watch.
- **Ideal For:** Ideal for fitness tracking and health monitoring because it provides 24/7 heart rate tracking via a multi-wavelength PPG sensor, respiratory and sleep tracking, and up to 35 days battery life enabling continuous monitoring.
- **Additional Sources:** [^8], [^7], [^8]

---
## References & Sources
[^1]: Best Buy, accessed 2026-06-16. https://www.bestbuy.com/product/garmin-venu-x1-gps-smartwatch-51-mm-fiber-reinforced-polymer-black-with-slate-titanium-caseback-2025/JXF9YF5FY4
[^2]: Home Depot, accessed 2026-06-16. https://www.homedepot.com/p/Garmin-Venu-X1-Fitness-GPS-Smartwatch-in-Slate-Black-1-6-in-x-0-3-in-010-02980-00/339433286
[^3]: PB Tech, accessed 2026-06-16. https://www.pbtech.com/pacific/product/WTHHUA204001/Huawei-Watch-FIT-4-Smart-Watch---Purple-with-Flour
[^4]: Huawei (official specs page), accessed 2026-06-16. https://consumer.huawei.com/en/wearables/watch-fit4/specs/
[^5]: Samsung (US), accessed 2026-06-16. https://www.samsung.com/us/watches/galaxy-watch-ultra-2025/buy/galaxy-watch-ultra-47mm-titanium-silver-sku-sm-l705uzs1xaa/
[^6]: Tom's Guide (price reporting), accessed 2026-06-16. https://www.tomsguide.com/wellness/smartwatches/samsung-galaxy-watch-7-ultra
[^7]: Withings Store, accessed 2026-06-16. https://www.withings.com/us/en/scanwatch-light
[^8]: Target, accessed 2026-06-16. https://www.target.com/p/withings-scanwatch-light/-/A-93794516