Samsung · Reviewed by Tump Yung · Published 2026-07-23
Based on a review by Tump Yung (accessed 2026-07-23).
Based on this review alone: buy it if you care about significantly thinner design (15.2mm vs 16.4mm) making it more comfortable — just accept still relatively thick and large compared to typical smartwatches, requiring users to try it on for comfort.
The reviewer concludes that the Galaxy Watch Ultra 2 is a significant upgrade, offering a more robust, high-performance, and feature-rich smartwatch, particularly for outdoor enthusiasts and health-conscious users. Despite its size, the improved comfort and advanced functionalities, especially for Samsung smartphone users, make it a compelling choice.
This review provides an in-depth analysis of the Samsung Galaxy Watch Ultra 2, focusing on its design changes, performance enhancements, display quality, and extensive health tracking capabilities. The reviewer compares the new model to its predecessor and the Galaxy Watch 9, aiming to guide potential buyers on whether it's a worthwhile upgrade.
The Samsung Galaxy Watch Ultra 2 offers significant improvements over its predecessor, making it a strong contender for outdoor enthusiasts and health-conscious users despite its niche. Its reduced thickness from 16.4mm to 15.2mm and a softer strap notably enhance wearability, while the new Snapdragon Wear Elite chip provides a 17% performance boost and 15% better power efficiency for on-device AI tasks. The 5,000 nits Super AMOLED display ensures excellent visibility in bright outdoor conditions, and its comprehensive BioActive Sensor array includes unique features like Sleep Apnea detection, Antioxidant Index, and AGEs Index for in-depth health monitoring. However, it remains a relatively thick device compared to standard smartwatches, and its full functionality is exclusively tied to Samsung smartphones. If you demand aerospace-grade durability, advanced health tracking, and top-tier outdoor performance, and own a Samsung phone, this smartwatch is an excellent choice. If cross-platform compatibility or a more discreet form factor is your priority, you should explore other options.
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comparisonpositivet=01:30–02:22
The Galaxy Watch Ultra 2 has been reduced in thickness from 16.4mm to 15.2mm, making it noticeably thinner and more comfortable to wear than the previous generation. The strap has also been redesigned to be softer and thinner, improving overall wearability.
specification_claimpositivet=02:30–03:22
The watch uses aerospace-grade titanium for high durability and is IP69K rated, allowing for deep water resistance and use in saltwater, which is typically detrimental to smartwatches. This makes it suitable for adventurous and rugged use.
measurement_testpositivet=03:52–04:22
Samsung replaced the Exynos chip with the Snapdragon Wear Elite, resulting in a 17% increase in performance, 15% improvement in power efficiency, and a significantly stronger AI processing unit (NPU).
hands_on_demopositivet=04:30–05:58
The reviewer demonstrated using applications like Google Maps and Gemini directly on the watch without any noticeable lag or delay. This enhances outdoor activities and voice commands by removing the need for a smartphone.
visual_inspectionpositivet=06:05–06:40
The watch features a 1.52-inch Super AMOLED display with a peak brightness of 5,000 nits, making it easily readable in bright outdoor conditions without needing to shield the screen with a hand.
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Health tracking requires three distinct Samsung apps: Galaxy Wearable for settings, Samsung Health for general data, and Samsung Health Monitor for specialized features like ECG and blood pressure, separated for regulatory and user experience reasons.
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Samsung claims to be the only brand offering a smartwatch with comprehensive 4-axis health tracking (eating, sleeping, exercise, stress). It utilizes a BioActive Sensor for measuring heart rate, blood oxygen, sleep, and advanced metrics like Antioxidant Index and AGEs Index.
hands_on_demopositivet=11:20–12:55
The watch offers sleep apnea detection and snoring monitoring, features not commonly found in other smartwatches. The reviewer demonstrated their own snoring audio detected by the watch, noting its FDA approval for accuracy.
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The watch can measure the Antioxidant Index by placing a thumb on the rear sensor, providing an indirect indicator of fruit and vegetable intake. This is a unique feature not found in standard smartwatches.
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The watch can measure the AGEs Index, reflecting the accumulation of advanced glycation end products linked to cellular aging and inflammation. Samsung partnered with DiagnOptics, a specialized company in the Netherlands, for precise measurement.
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The watch includes blood pressure monitoring, which requires calibration every four weeks using a medical-grade blood pressure cuff or a hospital device. This feature is also FDA-approved, offering a convenient way to check blood pressure at home.
reviewer_claimpositivet=17:20–18:25
The watch can measure body composition, including fat and muscle mass, which is useful for fitness enthusiasts. However, it should not be used by pregnant individuals or those with pacemakers.
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The watch features ECG functionality, providing more precise heart electrical signal monitoring than standard heart rate measurements. This is beneficial for users wanting deeper insights into their heart health.
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All advanced health features and overall functionality of the Galaxy Watch Ultra 2 are exclusively available when paired with a Samsung smartphone. It does not support iOS or general Android devices.
The reviewer highlights that the Galaxy Watch Ultra 2 has reduced its thickness from 16.4mm to 15.2mm, a difference that is 'clearly felt' when worn. Additionally, the new strap design is described as much softer and thinner, greatly improving comfort compared to the previous generation's bulkier strap.
The watch is built with aerospace-grade titanium, offering exceptional toughness. Its IP69K rating ensures resistance to deep water and even saltwater, which the reviewer notes is typically problematic for smartwatches. This robust construction makes it an ideal choice for outdoor and adventurous users.
The Galaxy Watch Ultra 2's new Snapdragon Wear Elite chip significantly boosts performance by 17% and improves power efficiency by 15% compared to the previous Exynos chip. This results in faster app loading and navigation, with the reviewer noting no lag when using demanding apps like Google Maps or Gemini directly on the watch.
The watch is equipped with a 1.52-inch Super AMOLED display that boasts a peak brightness of 5,000 nits. The reviewer emphasizes that this high brightness makes the screen incredibly clear and readable outdoors, even in bright sunlight, often surpassing the visibility of many smartphones.
The Galaxy Watch Ultra 2 provides extensive health monitoring, including heart rate, blood oxygen, and sleep tracking through its BioActive Sensor. Unique features include FDA-approved Sleep Apnea detection, the ability to measure Antioxidant Index and AGEs Index, FDA-approved blood pressure monitoring (with calibration), body composition analysis, and ECG for detailed heart electrical signal assessment.
The Galaxy Watch Ultra 2 includes a specialized feature to detect signals of sleep apnea, which involves monitoring for breathing cessation during sleep. It also provides snoring detection, which the reviewer demonstrated with their own recorded snoring. Both of these advanced sleep tracking functions are FDA-approved, indicating their reliability.
The reviewer explicitly states that all functionalities, especially the advanced health tracking features, are only available when the Galaxy Watch Ultra 2 is paired with a Samsung smartphone. It is not compatible with iOS devices or generic Android smartphones.
60/100 source quality
The Samsung Galaxy Watch Ultra 2 features a thinner design (15.2mm) and a more comfortable strap compared to its predecessor. It boasts aerospace-grade titanium construction and IP69K durability, suitable for deep diving. Powered by a new Snapdragon Wear Elite chip, it delivers 17% faster performance and 15% better power efficiency. The device includes a 5,000 nits Super AMOLED display for excellent outdoor visibility and a comprehensive suite of health features like Sleep Apnea detection, Antioxidant Index, AGEs Index, Blood Pressure, Body Composition, and ECG, though it's exclusively compatible with Samsung smartphones.
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