Samsung Galaxy Watch 8 vs Withings ScanWatch 2
Samsung Galaxy Watch 8 (#2, best premium) vs Withings ScanWatch 2 (#3, best value): in our Health Monitoring scoring the Samsung Galaxy Watch 8 totals 8.8/10 and the Withings ScanWatch 2 8.5/10. At $259 versus $299, the Samsung Galaxy Watch 8 costs $40 less.
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TopsFive comparison scores
Side by side
| Samsung Galaxy Watch 8 | Withings ScanWatch 2 | |
|---|---|---|
| Price | $259 | $299 |
| Display | 1.5" Super AMOLED | Analog + small OLED |
| OS | Wear OS 5 | — |
| Battery | 1-2 days | 30 days |
| Sensors | ECG, BIA, BP, HR, SpO2, temperature | ECG, HR, SpO2, temperature |
| Water Resistance | 5 ATM + IP68 | 5 ATM |
| Size | — | 38mm/42mm |
How they differ in real use
Built from our health monitoring smartwatches scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Samsung Galaxy Watch 8 and the Withings ScanWatch 2 made our Top 5 Health Monitoring, at #2 (best premium) and #3 (best value). Most comprehensive sensor suite including FDA-cleared ECG, blood pressure monitoring, BIA body composition, and industry-first Vascular Load and Antioxidant Index metrics. 13-LED BioActive sensor with ±1.5% accuracy improvement. Best for continuous, unobtrusive 24/7 health monitoring. 30-day battery in traditional analog watch design. FDA-cleared ECG and respiratory disturbance detection for sleep apnea screening.
We score health monitoring on Health Sensors (35%), FDA Clearances (25%), Continuous Monitoring (20%), Battery Life (10%) and Ecosystem (10%). On that basis the Samsung Galaxy Watch 8 totals 8.8 out of 10 and the Withings ScanWatch 2 8.5. The widest gap is Health Sensors, where the Samsung Galaxy Watch 8 scores 10 against 8 for the Withings ScanWatch 2 — eCG, SpO2, BP, temperature. Battery Life also separates them: 10 for the Withings ScanWatch 2 versus 5 for the Samsung Galaxy Watch 8. The Withings ScanWatch 2 claws back ground on Continuous Monitoring.
On paper, the specifications that actually differ: Display — 1.5" Super AMOLED on the Samsung Galaxy Watch 8 versus Analog + small OLED on the Withings ScanWatch 2; Battery — 1-2 days on the Samsung Galaxy Watch 8 versus 30 days on the Withings ScanWatch 2; Sensors — ECG, BIA, BP, HR, SpO2, temperature on the Samsung Galaxy Watch 8 versus ECG, HR, SpO2, temperature on the Withings ScanWatch 2; Water Resistance — 5 ATM + IP68 on the Samsung Galaxy Watch 8 versus 5 ATM on the Withings ScanWatch 2.
Pricing as of January 27, 2026: $259 for the Samsung Galaxy Watch 8 and $299 for the Withings ScanWatch 2, a $40 difference in the Samsung Galaxy Watch 8's favor. Owners praise the Samsung Galaxy Watch 8 for fDA-cleared ECG and BP and BIA body composition; the most common complaint is BP requires Samsung phone. Owners praise the Withings ScanWatch 2 for 30-day battery life and traditional analog design; the most common complaint is small digital display.
Samsung Galaxy Watch 8
- FDA-cleared ECG and BP
- BIA body composition
- Vascular Load metric
- 13-LED BioActive sensor
- BP requires Samsung phone
- Short battery life
- Samsung-centric features
Withings ScanWatch 2
- 30-day battery life
- Traditional analog design
- FDA-cleared ECG
- Sleep apnea detection
- Small digital display
- Limited smart features
- No GPS
Which should you buy?
The Samsung Galaxy Watch 8 is the better fit for samsung phone owners and body composition tracking — it is the higher-scoring pick here, chiefly for Health Sensors and FDA Clearances. The Withings ScanWatch 2 is the better fit for 24/7 health monitoring and traditional watch aesthetics, and the stronger choice if Battery Life and Continuous Monitoring matter more to you than the overall score. Since the Samsung Galaxy Watch 8 is both the higher scorer and $40 cheaper, the Withings ScanWatch 2 only makes sense for 24/7 health monitoring. The Samsung Galaxy Watch 8 is a poor fit for iPhone users; the Withings ScanWatch 2 is a poor fit for smartwatch feature needs.
Choose the Samsung Galaxy Watch 8 if
- Samsung phone owners
- Body composition tracking
- Comprehensive health metrics
Skip it if
- iPhone users
- Non-Samsung BP monitoring
Choose the Withings ScanWatch 2 if
- 24/7 health monitoring
- Traditional watch aesthetics
- Long battery priority
Skip it if
- Smartwatch feature needs
- GPS tracking
Common questions
Is the Samsung Galaxy Watch 8 better than the Withings ScanWatch 2?
In our Health Monitoring ranking the Samsung Galaxy Watch 8 scores higher overall, 8.8 to 8.5, with the biggest advantage in Health Sensors. The Withings ScanWatch 2 is stronger on Battery Life and Continuous Monitoring, so it is the better pick if those matter most to you.
How much more does the Withings ScanWatch 2 cost than the Samsung Galaxy Watch 8?
$40 more as of January 27, 2026: $299 for the Withings ScanWatch 2 against $259 for the Samsung Galaxy Watch 8. Prices move, so the merchant page shows the current figure.
What is the main difference between the Samsung Galaxy Watch 8 and the Withings ScanWatch 2?
The headline spec difference is Display: 1.5" Super AMOLED on the Samsung Galaxy Watch 8 versus Analog + small OLED on the Withings ScanWatch 2. In use, the gap that matters most is Health Sensors (10 vs 8 in our scoring): eCG, SpO2, BP, temperature.