Samsung Galaxy Watch Ultra vs Apple Watch Ultra 3 - Smartwatches Comparison Guide | Let's Compare
Samsung Galaxy Watch Ultra vs Apple Watch Ultra 3
Verdict
Our overall take, at a glance
Key takeaways
Samsung Galaxy Watch Ultra leads Apple Watch Ultra 3 overall by 17 points (73 vs 56 out of 100).
Samsung Galaxy Watch Ultra stands out on Battery Life: 48 h, Build Weight: 60.5 g.
Samsung Galaxy Watch Ultra leads overall
$649 at launch
Samsung Galaxy Watch Ultra
73
Apple Watch Ultra 3
56
Why it stands out
Battery Life: 48 h
Build Weight: 60.5 g
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jul 2026.
Samsung Galaxy Watch Ultra
The Samsung Galaxy Watch Ultra is a rugged, performance-focused smartwatch powered by a Samsung Exynos system on a chip and running on Google's Wear OS. Built for durability, it features a rounded Super AMOLED display and is one of the few models in the Galaxy lineup to offer native support for GPX route navigation.
Best for Outdoor trail navigation and hiking using GPX routesBest for Athletes tracking multi-sport activities like running and cycling
Pros
Supports importing and tracking with GPX files for advanced outdoor route navigation
Equipped with comprehensive tracking profiles for running, cycling, and weight training
High-quality, rounded Super AMOLED display provides excellent legibility
Cons
Incompatible with iOS devices, requiring a companion smartphone running Android 10 or later
Evaluated real-world utility for athletic training, specifically detailing running, weight training, and cycling workouts.
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 3 is 1 g (2%) heavier than Samsung Galaxy Watch Ultra.
Sponsored
Ad — helps keep Let's Compare free
Advertisement
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side
Display
Feature
Samsung Galaxy Watch Ultra
Apple Watch Ultra 3
Display Type
Retina LTPO3 OLED
Display Size
1.5 in
1.98 in
Resolution
480 × 480 px
N/A
Peak Brightness
3,000 nits
3,000 nits
Always-On Display
Yes
N/A
Screen-to-body ratio
51%
—
Health & Sensors
Feature
Samsung Galaxy Watch Ultra
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
Samsung Galaxy Watch Ultra
Apple Watch Ultra 3
Battery Life
48 h
42 h
Fast Charging
Yes
N/A
Connectivity
Feature
Samsung Galaxy Watch Ultra
Apple Watch Ultra 3
NFC Payments
Yes
N/A
LTE/Cellular
Yes
Yes
Speaker/Mic
Yes
N/A
Build
Feature
Samsung Galaxy Watch Ultra
Apple Watch Ultra 3
Case Material
Titanium
N/A
Case Size
47 mm
49 mm
Weight
60.5 g
61.6 g
Water Resistance
100 m
100 m
Dimensions
4.74 × 4.74 × 1.21 cm
N/A
Software
Feature
Samsung Galaxy Watch Ultra
Apple Watch Ultra 3
Operating System
Wear OS 5
N/A
Storage
32 GB
64 GB
Compatibility
Android
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.