Apple Watch Ultra 2 vs Apple Watch Ultra 3 - Smartwatches Comparison Guide | Let's Compare
Apple Watch Ultra 2 vs Apple Watch Ultra 3
Verdict
Our overall take, at a glance
Key takeaways
Apple Watch Ultra 2 leads Apple Watch Ultra 3 overall by 21 points (77 vs 56 out of 100).
Apple Watch Ultra 2 stands out on Build Weight: 61.4 g.
Apple Watch Ultra 2 leads overall
$799 at launch
Apple Watch Ultra 2
77
Apple Watch Ultra 3
56
Why it stands out
Build Weight: 61.4 g
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 2
The Apple Watch Ultra 2 is a rugged, high-performance smartwatch built for outdoor adventure, endurance sports, and diving. Equipped with the Apple Silicon S9 processor, it features a robust 49mm titanium case, a flat display reaching up to 3,000 nits of brightness, and multi-band GPS tracking.
Best for recreational diving and deep-water tracking up to 40 metersBest for outdoor navigation in bright sunlight requiring dual-frequency GPS
Pros
Ultra-bright 3,000-nit display that improves direct-sunlight readability and scales down to 1 nit to save power
On-device Siri processing that allows offline voice requests without active cellular or Wi-Fi connections
Double-tap hand gesture for convenient, one-handed interface controls
Strong battery performance offering up to 36 hours of typical use and up to 60 hours in low-power mode
Cons
Blood oxygen tracking is deactivated on U.S. models purchased after January 18, 2024, due to patent litigation
Provided details on the S9 processor specs, double-tap gesture mechanics, and offline Siri functionality.
Generated Jun 30, 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
Apple Watch Ultra 2 and Apple Watch Ultra 3 weigh about the same.
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Detailed Specifications
The full spec sheet, side by side
Display
Feature
Apple Watch Ultra 2
Apple Watch Ultra 3
Display Type
Retina LTPO3 OLED
Display Size
1.92 in
1.98 in
Resolution
410 × 502 px
N/A
Peak Brightness
3,000 nits
3,000 nits
Always-On Display
Yes
N/A
Screen-to-body ratio
54%
—
Health & Sensors
Feature
Apple Watch Ultra 2
Apple Watch Ultra 3
Heart Rate Monitor
Yes
N/A
ECG
Yes
Yes
SpO2 (Blood Oxygen)
Yes
Yes
Body Temperature
Yes
N/A
GPS
Yes
Yes
Dual-Band GPS
Yes
N/A
Battery
Feature
Apple Watch Ultra 2
Apple Watch Ultra 3
Battery Life
36 h
42 h
Fast Charging
Yes
N/A
Connectivity
Feature
Apple Watch Ultra 2
Apple Watch Ultra 3
NFC Payments
Yes
N/A
LTE/Cellular
Yes
Yes
Speaker/Mic
Yes
N/A
Build
Feature
Apple Watch Ultra 2
Apple Watch Ultra 3
Case Material
Titanium
N/A
Case Size
49 mm
49 mm
Weight
61.4 g
61.6 g
Water Resistance
100 m
100 m
Dimensions
4.4 × 4.9 × 1.41 cm
N/A
Software
Feature
Apple Watch Ultra 2
Apple Watch Ultra 3
Operating System
watchOS 11
N/A
Storage
64 GB
64 GB
Compatibility
iOS
N/A
Specification Note
Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.