Samsung Galaxy Watch Ultra vs Withings ScanWatch Nova
Get the Samsung Galaxy Watch Ultra unless you crave a classic look. The numbers highlight a standout feature: the Galaxy Watch Ultra boasts a staggering 100 hours of battery life in power-saving mode, while the Withings ScanWatch Nova offers just 30 days. In real-world use, that means you'll rarely need to charge the Ultra, making it ideal for adventurers or anyone with a busy lifestyle. However, the Withings ScanWatch Nova shines with clinical-grade health sensors packed in a sleek 42mm design. It weighs only 2.22oz, making it slightly heavier, but its elegant look and long battery life make it perfect for everyday wear. If you’re looking for style and essential health metrics without the bulk, this watch is a strong fit. Key specs: Weight: 2.13 oz vs 2.22 oz and Battery: 100h vs 30 days.
Why compare these? The Samsung Galaxy Watch Ultra (premium flagship) and Withings ScanWatch Nova (high-end) represent different approaches to smartwatches. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.
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Key Differences at a Glance
| Aspect | Samsung Galaxy | Withings ScanWatch |
|---|---|---|
| User Rating | ✓4.4★ (272 reviews) | 4★ (268 reviews) |
| Top Strength | True multi-day battery life (up to 100h in power saving) | Elegant 'diver' aesthetic with ceramic bezel and sapphire glass |
| Main Drawback | Large 47mm square-circle design may not fit smaller wrists | Small monochrome screen limits notification readability and smart features |
| Market Position | ✓Flagship | Premium |

Samsung Galaxy Watch Ultra
Android 11.0 or higher with 1.5GB+ RAM; Samsung Galaxy phone required for Energy Score, ECG, Sleep Apnea, and IHRN features
Wear OS 5 powered by Samsung (One UI 6 Watch)
47.4mm H x 47.1mm W x 12.1mm D
Titanium (Grade 4) frame with cushion design; Sapphire Crystal glass

Withings ScanWatch Nova
iPhone (iOS 15+) and Android (Android 9+)
HealthSense™ OS (Proprietary)
42mm (42 mm diameter / 1.65 in; 12.8 mm thickness)
Case: Polished stainless steel; Bezel: Ceramic and stainless steel (rotating); Glass: Anti-reflective sapphire crystal
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Samsung Galaxy Watch Ultra vs Withings ScanWatch Nova

Samsung Galaxy Watch Ultra

Withings ScanWatch Nova
| Criterion | Samsung Galaxy Watch Ultra | Withings ScanWatch Nova |
|---|---|---|
| Rating | ★4.4(272)Amazon | ★4(268)Amazon |
Compatibility | Android 11.0 or higher with 1.5GB+ RAM; Samsung Galaxy phone required for Energy Score, ECG, Sleep Apnea, and IHRN features | iPhone (iOS 15+) and Android (Android 9+) |
Operating System | Wear OS 5 powered by Samsung (One UI 6 Watch) | HealthSense™ OS (Proprietary) |
Case Size | 47.4mm H x 47.1mm W x 12.1mm D | 42mm (42 mm diameter / 1.65 in; 12.8 mm thickness) |
Case Material | Titanium (Grade 4) frame with cushion design; Sapphire Crystal glass | Case: Polished stainless steel; Bezel: Ceramic and stainless steel (rotating); Glass: Anti-reflective sapphire crystal |
Display Type | Super AMOLED; Always-On Display; Peak brightness 3000 nits | Grayscale OLED (0.63 inch) + Analog hands (Hybrid) |
Display Size | 1.5 in (37.3 mm) circular display | 0.63 in (digital screen) |
Resolution | 480 x 480 pixels | 14,504 pixels (282 PPI) |
Always On Display | Yes | Yes (Analog hands always visible) |
Water Resistance | 10 ATM + IP68 (ISO 22810 standard); Ocean swimming capable | 10 ATM (100 meters) |
Durability | MIL-STD-810H certified; Operating temp -20°C to 55°C; 9000m altitude resistance | Sapphire crystal face; Stainless steel case; Ceramic bezel; 5-year guarantee (region dependent) |
GPS | Dual-frequency GPS (L1+L5); Glonass; Beidou; Galileo | Connected GPS (Requires smartphone connection) |
Connectivity | LTE (eSIM standard on all models); Wi-Fi 2.4+5GHz; Bluetooth 5.3; NFC | Bluetooth Low Energy (BLE) |
NFC Payments | Samsung Wallet / Google Wallet | No (Not supported) |
Sensors | Samsung BioActive Sensor (Optical Bio-signal + Electrical Heart + Bioelectrical Impedance Analysis); Temperature sensor; Accelerometer; Barometer; Gyro sensor; Geomagnetic sensor; Light sensor | Multi-wavelength PPG (Heart rate/SpO2); TempTech24/7 Module (Body temp); High Dynamic Range Accelerometer; Altimeter; ECG electrodes |
Health Features | Energy Score; Sleep Apnea detection (FDA authorized); AGEs Index; Body Composition; ECG; Irregular Heart Rhythm Notification; Cycle Tracking with skin temperature; Sleep coaching | ECG (AFib detection); Body temperature variation (day/night); Blood oxygen (SpO2); Sleep quality score; Respiratory scan; Heart rate variability (HRV) |
Workout Modes | Multisport tile (Triathlon/Duathlon/Aquathlon); Functional Threshold Power (FTP) for cycling; Race Partner; Track Back; Custom workouts via Quick Button | 40+ sports modes; Automatic activity detection (Walking, Running, Swimming, Cycling); Fitness Level (VO2 max estimation) |
Storage | 32GB | Free unlimited online storage; 7 days of data stored on watch |
Speaker Mic | Speaker (with Siren support); Microphone | No (No built-in speaker or microphone) |
Calls | Yes (LTE standalone or via paired phone) | No (Notification alerts only) |
Battery | 590mAh; Up to 100 hours (Power Saving); Up to 60 hours (Normal use, AOD off); Up to 48 hours (Exercise Power Saving) | Up to 30 days (Standard use); Rechargeable Lithium-ion |
Charging | Fast Wireless Charging (WPC Inductive); Proprietary puck required for max speed | USB-C compatible docking station (approx. 2 hours to 100%) |
Weight | 60.5 g (Body only) | 63 g (2.22 oz) without wristband |
Band Sizes | One Size (fits 145–205mm wrists via Dynamic Lug System) | Fits wrist sizes (approx. 163–239 mm); Standard 20 mm lug width |
Extras | Quick Button (customizable); 86dB Emergency Siren; Night Mode watch face; Gesture controls (Double Pinch) | Luminova hands/indexes; Digital crown for navigation; Stopwatch; Timer; Alarm; Breathwork; Apple Health & Google Fit sync |
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Samsung Galaxy Watch Ultra
Android 11.0 or higher with 1.5GB+ RAM; Samsung Galaxy phone required for Energy Score, ECG, Sleep Apnea, and IHRN features
Wear OS 5 powered by Samsung (One UI 6 Watch)
47.4mm H x 47.1mm W x 12.1mm D
Titanium (Grade 4) frame with cushion design; Sapphire Crystal glass
Super AMOLED; Always-On Display; Peak brightness 3000 nits
1.5 in (37.3 mm) circular display
Pros
- True multi-day battery life (up to 100h in power saving)
- Extremely durable Grade 4 Titanium build with 10ATM rating
Cons
- Large 47mm square-circle design may not fit smaller wrists
- Key health features (ECG, Sleep Apnea) locked to Samsung phones

Withings ScanWatch Nova
iPhone (iOS 15+) and Android (Android 9+)
HealthSense™ OS (Proprietary)
42mm (42 mm diameter / 1.65 in; 12.8 mm thickness)
Case: Polished stainless steel; Bezel: Ceramic and stainless steel (rotating); Glass: Anti-reflective sapphire crystal
Grayscale OLED (0.63 inch) + Analog hands (Hybrid)
0.63 in (digital screen)
Pros
- Elegant 'diver' aesthetic with ceramic bezel and sapphire glass
- Clinical-grade health sensors (ECG, SpO2, Temperature) in a non-intrusive form factor
Cons
- Small monochrome screen limits notification readability and smart features
- No built-in GPS (relies on phone connection for tracking routes)
Which one is better?
The Samsung Galaxy Watch Ultra is the better buy for most people - its 100-hour battery life crushes the Withings ScanWatch Nova's 30 days. That said, grab the ScanWatch Nova if you want an elegant watch for daily wear that's and focuses on health tracking.
Who should buy each?
Choose the Samsung Galaxy Watch Ultra if: you need up to 100 hours of battery life, want advanced health features, or require rugged durability for outdoor activities.
Choose the Withings ScanWatch Nova if: you prefer a stylish design, want a 30-day battery life, or seek clinical health metrics without the bulk of a smartwatch.
Quality Seekers
Higher user rating (4.4★ vs 4★) indicates better overall satisfaction
→ Choose Samsung Galaxy
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Samsung Galaxy
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose Withings ScanWatch
True multi-day battery Priority
True multi-day battery life (up to 100h in power saving)
→ Choose Samsung Galaxy
Conclusion
Samsung Galaxy Watch Ultra and Withings ScanWatch Nova are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Bottom line: The Samsung Galaxy Watch Ultra edges ahead with a 4.4★ rating compared to 4★. However, Withings ScanWatch Nova remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: Samsung Galaxy Watch Ultra or Withings ScanWatch Nova?
Samsung Galaxy Watch Ultra is the better choice if you prioritize true multi-day battery life (up to 100h in power saving). Withings ScanWatch Nova wins if you value elegant 'diver' aesthetic with ceramic bezel and sapphire glass. Both are rated highly (4.4★ vs 4★), so consider your specific needs and budget.
+What are the main differences between Samsung Galaxy Watch Ultra and Withings ScanWatch Nova?
Key differences: Samsung Galaxy Watch Ultra offers true multi-day battery life (up to 100h in power saving), while Withings ScanWatch Nova stands out with elegant 'diver' aesthetic with ceramic bezel and sapphire glass. Consider that Samsung Galaxy Watch Ultra large 47mm square-circle design may not fit smaller wrists. Meanwhile, Withings ScanWatch Nova small monochrome screen limits notification readability and smart features. Check the detailed specs table above for a complete comparison.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 27, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
Affiliate disclosure
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