Xiaomi Watch S3 Review: Best Budget Smartwatch of 2025 with Premium Features

Introduction to Xiaomi Watch S3 Review

The smartwatch market is booming, and Xiaomi continues to impress with its latest offering—the Xiaomi Watch S3. Launched in early 2025, this wearable combines affordability with premium features, making it a strong competitor against pricier options like the Apple Watch Series 9 and Samsung Galaxy Watch 6.

In this in-depth review, we’ll cover everything you need to know about the Xiaomi Watch S3, including its design, performance, battery life, health tracking, and smart features. By the end, you’ll have a clear idea of whether this watch is the right fit for your lifestyle.

Design and Build Quality: Sleek and Durable

The Xiaomi Watch S3 stands out with its premium stainless steel frame and 1.43-inch AMOLED display. The watch feels sturdy yet lightweight (just 44 grams), making it comfortable for all-day wear. The interchangeable straps (silicone for workouts, leather for formal occasions) add versatility, while the 5ATM water resistance means you can swim or shower without worry.

Key Design Features:

1.43-inch AMOLED display (466 x 466 pixels) – vibrant colors and sharp text.
Stainless steel frame – scratch-resistant and durable.
Interchangeable straps – customize for fitness, work, or casual wear.
5ATM water resistance – safe for swimming and water sports.
Always-on display – check the time without lifting your wrist.

Performance and Software: Smooth and User-Friendly

Powered by Xiaomi’s HyperOS, the Watch S3 delivers a lag-free experience with quick app launches and smooth navigation. The dual-core processor handles multitasking effortlessly, and Bluetooth 5.2 ensures a stable connection with your smartphone (compatible with Android and iOS).

Software Highlights:

HyperOS integration – seamless pairing with Xiaomi phones.
Customizable watch faces – over 100 designs to match your style.
App notifications – calls, messages, and social media alerts.
Voice assistant support – works with Google Assistant and Siri.
Offline music storage – store up to 500 songs for workouts.

Battery Life: Long-Lasting and Efficient

Battery life is where the Xiaomi Watch S3 truly shines. With moderate use, the watch lasts up to 12 days on a single charge. Even with heavy usage (GPS, continuous heart rate monitoring), it can go for 5 days. The magnetic charging dock makes recharging quick and hassle-free.

Battery Performance Breakdown:

Light usage (basic notifications, timekeeping): 12+ days.
Moderate usage (fitness tracking, occasional GPS): 7-10 days.
Heavy usage (GPS, always-on display): 5 days.
Fast charging – 0 to 100% in 90 minutes.

Health and Fitness Tracking: A Comprehensive Companion

For fitness enthusiasts, the Xiaomi Watch S3 is packed with advanced health sensors. It tracks 24/7 heart rate, blood oxygen (SpO2), sleep stages, and stress levels. The built-in GPS ensures accurate distance and route tracking for outdoor activities.

Fitness and Health Features:

24/7 heart rate monitoring – alerts for abnormal readings.
SpO2 tracking – measures blood oxygen levels during sleep.
Sleep analysis – tracks deep, light, and REM sleep.
Stress monitoring – suggests breathing exercises.
100+ workout modes – running, cycling, swimming, yoga, and more.
Women’s health tracking – menstrual cycle predictions.

Smart Features: More Than Just a Fitness Tracker

Beyond fitness, the Xiaomi Watch S3 acts as a mini smartphone on your wrist. You can answer calls, reply to messages, control music, and even make contactless payments (via Xiaomi Pay). The find my phone feature is a lifesaver if you misplace your device.

Smart Functionalities:

Call and message notifications – read and reply directly from the watch.
Music control – play, pause, or skip tracks without your phone.
NFC payments – pay with Xiaomi Pay (supported in select regions).
Weather updates – real-time forecasts.
Find my phone – ring your phone if it’s nearby.

Pros and Cons: Is It Perfect?

Pros:

✅ Affordable – packed with features at half the price of competitors.
✅ Stunning AMOLED display – bright and crisp even outdoors.
✅ Long battery life – lasts up to 12 days.
✅ Accurate health tracking – rivals premium smartwatches.
✅ Lightweight and comfortable – ideal for 24/7 wear.

Cons:

❌ Limited third-party apps – fewer options than Wear OS or watchOS.
❌ No LTE option – requires a smartphone for full functionality.
❌ Xiaomi phone dependency – some features work best with Xiaomi devices.

Final Verdict: Who Should Buy the Xiaomi Watch S3?

The Xiaomi Watch S3 is a budget-friendly powerhouse that delivers premium features without the premium price tag. It’s perfect for:

Fitness enthusiasts who want accurate health tracking.
Budget-conscious buyers looking for a feature-packed smartwatch.
Android and iOS users who need a reliable wearable.

If you’re comparing it to the Apple Watch or Samsung Galaxy Watch, the Xiaomi Watch S3 offers 90% of the features at 50% of the cost. For more smartwatch comparisons, check out this detailed guide on the best wearables of 2025

Conclusion: A Smartwatch That Delivers

The Xiaomi Watch S3 is a game-changer in the budget smartwatch segment. With its sleek design, long battery life, and comprehensive health tracking, it’s a top pick for anyone seeking value without compromise. Whether you’re a fitness fanatic or a tech lover, this watch won’t disappoint.

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