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The short answer · Balanced overview
Apple Watch Series 12 (46 mm GPS) leads the Balanced Bettr Score 58.7–57.6. The existing category models use the available evidence automatically; open the score details for sources and coverage.
Apple
Keep the 1.81 in GPS configuration in focus. Check the listed compatibility and features against the things you expect to use every day. The catalog specifies a listed weight of 1.28 oz and a manufacturer battery claim of up to 24 hours.
Bettr Score · Balanced
58.7/100
Apple
Before choosing the Ultra, make the comparison about your own use. Inspect its listed size-related details, features, and ownership requirements rather than deciding on the name. The catalog specifies a listed weight of 2.17 oz and a manufacturer battery claim of up to 2.08 days.
Bettr Score · Balanced
57.6/100
15 shared verified specifications. The Bettr Score uses the available evidence automatically; independent tracking accuracy is not inferred from sensor presence.
| Apple Watch Series 12 (46 mm GPS) | Specification | Apple Watch Ultra 4 |
|---|---|---|
$429 ✓ WinnerManufacturer source · 2026-09-10US manufacturer reference price or launch MSRP; not a live retailer offer. | Reference price | $799 Manufacturer source · 2026-09-10US manufacturer reference price or launch MSRP; not a live retailer offer. |
smartwatch Manufacturer source · 2026-09-10 | Device typeTie | smartwatch Manufacturer source · 2026-09-10 |
1 days Manufacturer source · 2026-09-10 | Advertised battery life | 2.08 days ✓ WinnerManufacturer source · 2026-09-10 |
1.28 oz ✓ WinnerManufacturer source · 2026-09-10 | Device weight | 2.17 oz Manufacturer source · 2026-09-10 |
164 ft Manufacturer source · 2026-09-10 | Water resistance | 328.1 ft ✓ WinnerManufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Built-in GPSTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Continuous heart rateTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | ECG capabilityTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Blood oxygen sensingTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Temperature sensingTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | Sleep trackingTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | On-device displayTie | Yes Manufacturer source · 2026-09-10 |
Yes Manufacturer source · 2026-09-10 | iPhone supportTie | Yes Manufacturer source · 2026-09-10 |
No Manufacturer source · 2026-09-10 | Android supportTie | No Manufacturer source · 2026-09-10 |
None Manufacturer source · 2026-09-10 | Required subscriptionTie | None Manufacturer source · 2026-09-10 |
Bettr Score
Apple Watch Series 12 (46 mm GPS)
58.7 / 100
Apple Watch Ultra 4
57.6 / 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 Apple Watch Series 12 (46 mm GPS)’s score details, sourced features and compatibility for your needs.
Review Apple Watch Ultra 4’s score details, sourced features and compatibility for your needs.
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We may earn a commission when you buy through links marked “Affiliate link.” This does not change your price or our scores. How we earn
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