Apple Watch SE 3 Smartwatch with Starlight vs Apple Watch Ultra 3 Running & Multisport
Updated July 2026 — Apple Watch SE 3 Smartwatch with Starlight wins on price and weight, Apple Watch Ultra 3 Running & Multisport wins on battery and build.
The Apple Watch Ultra 3 offers advanced features and durability for serious athletes, while the Apple Watch SE 3 provides great value for everyday users.
Why Apple Watch SE 3 Smartwatch with Starlight is better
Price
SE 3 is significantly cheaper at $239.
Weight
SE 3 has a lighter aluminum case.
Simplicity
SE 3 is easier to use for casual users.
Why Apple Watch Ultra 3 Running & Multisport is better
Durability
Ultra 3 has a rugged titanium case.
Battery Life
Ultra 3 lasts up to 42 hours.
Advanced Features
Ultra 3 includes dual-frequency GPS and cellular connectivity.
Overall score
Specifications
| Spec | Apple Watch SE 3 Smartwatch with Starlight | Apple Watch Ultra 3 Running & Multisport |
|---|---|---|
| Price | $239.00 | $699.99 |
| Battery Life | 18 hours | 42 hours |
| Water Resistance | 50m | 100m |
| GPS | Standard | Dual-frequency |
| Material | Aluminum | Titanium |
Dimension comparison
Overview of Apple Watch SE 3 and Apple Watch Ultra 3
The Apple Watch SE 3 is priced at $239.00, making it about 66% cheaper than the Apple Watch Ultra 3, which retails for $699.99. This significant price difference reflects the varying features and target markets for each smartwatch. While the SE 3 is designed for general fitness tracking and everyday use, the Ultra 3 caters to serious athletes and adventurers with its robust build and advanced features.
Design and Build Quality
The Apple Watch SE 3 features a Starlight Aluminum case, which offers a lightweight and stylish design suitable for daily wear. In contrast, the Apple Watch Ultra 3 is built with a rugged titanium case and is designed for extreme environments, making it water-resistant up to 100 meters. The Ultra 3's robust design is ideal for outdoor enthusiasts who require durability, while the SE 3 balances aesthetics and functionality for everyday use.
Display and Usability
The SE 3 has an Always-On display that allows users to glance at their watch without raising their wrist, enhancing usability in various situations. The Ultra 3 boasts a larger and brighter display that emits more light at wider angles, making it easier to read in bright conditions. This difference in display capabilities makes the Ultra 3 more suitable for outdoor activities, while the SE 3's display is adequate for typical daily tasks.
Battery Life and Charging
The Apple Watch SE 3 offers an all-day battery life of 18 hours and charges up to twice as fast as its predecessor. On the other hand, the Ultra 3 provides a much longer battery life, lasting up to 42 hours of normal use and up to 72 hours in Low Power Mode. This makes the Ultra 3 a superior choice for those who engage in extended activities without access to charging, while the SE 3 is sufficient for users with less demanding schedules.
Health and Fitness Features
Both smartwatches come equipped with a variety of health and fitness tracking capabilities. The SE 3 includes heart rate monitoring, sleep tracking, and features aimed at providing insights into overall health. Meanwhile, the Ultra 3 takes health tracking a step further with advanced metrics including dual-frequency GPS, heart rate zones, and notifications for potential health issues like hypertension. This makes the Ultra 3 an ideal companion for serious athletes who need comprehensive health data.
Connectivity Options
The SE 3 connects with your iPhone or Wi-Fi to keep you informed through notifications, calls, and music streaming. In contrast, the Ultra 3 includes cellular connectivity, allowing users to make calls and stream music without needing an iPhone nearby. This added freedom is particularly advantageous for those who enjoy running or exercising without being tethered to their phone, making the Ultra 3 a more versatile option for active users.
Safety Features
Both watches come equipped with safety features that enhance user security. The SE 3 can detect hard falls and severe car crashes, ensuring that help is accessible when needed. The Ultra 3 also includes similar fall detection capabilities but adds built-in satellite communications. This feature allows users to text emergency services even without cellular or Wi-Fi service, making it a critical tool for adventurers who may find themselves in remote areas.
Which should you buy?
Choosing between the Apple Watch SE 3 and the Apple Watch Ultra 3 ultimately depends on your needs and lifestyle. The SE 3, priced at $239.00, is an excellent choice for everyday users who want a reliable smartwatch with essential health and fitness features. In contrast, the Ultra 3, at $699.99, is designed for serious athletes and adventurers seeking advanced tracking capabilities and rugged durability. If you prioritize extensive health metrics and outdoor functionality, the Ultra 3 justifies its higher price. However, for most casual users, the SE 3 offers great value without sacrificing essential features.

