Apple Watch Ultra 3 vs Apple Watch SE 3
Verdict
Our overall take, at a glance
Key takeaways
- Apple Watch Ultra 3 leads Apple Watch SE 3 overall by 9 points (56 vs 47 out of 100).
- Apple Watch Ultra 3 stands out on Display Size: 1.98 in, Display Peak Brightness: 3,000 nits, Battery Life: 42 h.
- Best value: Apple Watch SE 3 (from $249) — the strongest score-per-dollar of the two.
Apple Watch Ultra 3 leads overall
$799 at launch
Apple Watch Ultra 3
56
Apple Watch SE 3
47
Best value: Apple Watch SE 3 ($249)
Why it stands out
- Display Size: 1.98 in
- Display Peak Brightness: 3,000 nits
- Battery Life: 42 h
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jul 2026.
Apple Watch Ultra 3
Released in September 2025, the Apple Watch Ultra 3 is a rugged sport smartwatch built for endurance athletes and outdoor adventurers. It features a durable 49 mm titanium casing, a bright flat display, and dual-frequency L1 and L5 multi-band GPS. The device is designed to function as a dive computer with specialized depth and water temperature sensors.
Best for Recreational diving and water sportsBest for Outdoor endurance training in challenging terrainBest for Users who want a rugged fitness tracker with deep iOS integration
Pros
- Durable titanium build with WR100 and EN13319 certifications for diving up to 40 meters
- Dual-frequency L1 and L5 GPS provides highly precise outdoor tracking
- Physical orange Action button allows quick, customizable mapping of key functions
- Excellent cellular and ecosystem integration compared to traditional sports watches
Cons
- Battery life remains significantly shorter than competing dedicated sports watches from Garmin and Polar
- Lacks native offline mapping and robust trail navigation out of the box
Apple Watch SE 3
The Apple Watch SE 3 is an entry-level smartwatch starting at $229, tailored for users who want essential Apple wearable features at a more accessible price point. It introduces a highly requested Always-On Retina display and a wrist temperature sensor, while sharing the same fast processor as its premium counterparts. Designed for everyday health and safety, it includes crash detection, sleep tracking, and a water-resistance rating of up to 50 meters.
Best for tracking overnight health metrics like sleep quality and temperature fluctuationBest for budget-conscious buyers seeking the convenience of an Always-On watch screenBest for setting up a wearable for family members who do not own an iPhone
Pros
- Adds an Always-On display, a significant upgrade over previous SE models
- Includes a wrist temperature sensor for retrospective ovulation estimates and sleep quality tracking
- Features fast charging capabilities that power the device up to twice as fast as before
- Comes with essential safety tools like Fall Detection and Crash Detection
Cons
- Lacks advanced medical sensors found on premium models, such as ECG and blood oxygen tracking
- The screen's Ion-X glass remains susceptible to scratching despite improved crack resistance
- Battery life remains capped at an 18-hour average, requiring daily recharging
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
Apple Watch Ultra 3
Apple Watch SE 3
Physical Comparison
Weigh them up, then compare real dimensions in 3D
Apple Watch Ultra 3Apple Watch SE 3
Apple Watch Ultra 3 is 29 g (87%) heavier than Apple Watch SE 3.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side