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The short answer · Balanced overview
Samsung Galaxy Watch9 (40 mm) leads the Balanced Bettr Score 61.4–50.0. The existing category models use the available evidence automatically; open the score details for sources and coverage.
Samsung
The 1.57 in Galaxy Watch record is a specific size choice. Check compatibility, features, and battery claims before deciding whether that format suits your routine. The catalog specifies a listed weight of 1.06 oz and a manufacturer battery claim of up to 40.08 hours.
Bettr Score · Balanced
61.4/100
Apple
Start with the smaller 1.57 in GPS configuration. Match its listed phone compatibility and features to what you want from a watch, rather than the longest sensor list. The catalog specifies a listed weight of 0.93 oz and a manufacturer battery claim of up to 18 hours.
Bettr Score · Balanced
50/100
14 shared verified specifications. The Bettr Score uses the available evidence automatically; independent tracking accuracy is not inferred from sensor presence.
| Samsung Galaxy Watch9 (40 mm) | Specification | Apple Watch SE 3 (40 mm GPS) |
|---|---|---|
$379.99 Manufacturer source · 2026-09-10US manufacturer reference price or launch MSRP; not a live retailer offer. | Reference price | $249 ✓ WinnerManufacturer source · 2026-10-18Manufacturer USD reference price retrieved 2026-10-18; taxes/shipping and conditional discounts excluded. |
smartwatch Manufacturer source · 2026-09-10 | Device typeTie | smartwatch Manufacturer source · 2026-10-18 |
1.67 days ✓ WinnerManufacturer source · 2026-09-10 | Advertised battery life | 0.75 days Manufacturer source · 2026-10-18 |
1.06 oz Manufacturer source · 2026-09-10 | Device weight | 0.93 oz ✓ WinnerManufacturer source · 2026-10-18 |
164 ft Manufacturer source · 2026-09-10 | Water resistanceTie | 164 ft Manufacturer source · 2026-10-18 |
Yes Manufacturer source · 2026-09-10 | Built-in GPSTie | Yes Manufacturer source · 2026-10-18 |
Yes Manufacturer source · 2026-09-10 | Continuous heart rateTie | Yes Manufacturer source · 2026-10-18 |
Yes ✓ WinnerManufacturer source · 2026-09-10 | ECG capability | No Manufacturer source · 2026-10-25Apple's ECG app listing explicitly excludes Apple Watch SE. |
Yes ✓ WinnerManufacturer source · 2026-09-10 | Blood oxygen sensing | No Manufacturer source · 2026-10-25Apple's Blood Oxygen support documentation explicitly excludes Apple Watch SE. |
Yes Manufacturer source · 2026-09-10 | Temperature sensingTie | Yes Manufacturer source · 2026-10-18 |
Yes Manufacturer source · 2026-09-10 | Sleep trackingTie | Yes Manufacturer source · 2026-10-18 |
Yes Manufacturer source · 2026-09-10 | On-device displayTie | Yes Manufacturer source · 2026-10-18 |
No Manufacturer source · 2026-09-10 | iPhone supportPersonal preference | Yes Manufacturer source · 2026-10-25Manufacturer compatibility requires a supported iPhone; Android pairing is unsupported. GPS model retained; no cellular plan fee inferred. |
Yes Manufacturer source · 2026-09-10 | Android supportPersonal preference | No Manufacturer source · 2026-10-25Manufacturer compatibility requires a supported iPhone; Android pairing is unsupported. GPS model retained; no cellular plan fee inferred. |
None Manufacturer source · 2026-09-10 | Required subscriptionNot enough data | Not stated / not applicable |
Bettr Score
Samsung Galaxy Watch9 (40 mm)
61.4 / 100
Apple Watch SE 3 (40 mm GPS)
50 / 100
Evidence-based guidance · Balanced model
One Bettr Score, using the existing category and priority models. Complete comparable independent tests take precedence; otherwise verified published specifications supply the score. Evidence and coverage are shown in the score details. Scores stay fixed across opponents; compare them within the same product group.
Review Samsung Galaxy Watch9 (40 mm)’s score details, sourced features and compatibility for your needs.
Review Apple Watch SE 3 (40 mm GPS)’s score details, sourced features and compatibility for your needs.
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