Xiaomi has once again made waves in the wearable tech industry with the introduction of the Xiaomi Watch S4 and Xiaomi Smart Band 9 Pro at the Mobile World Congress (MWC) 2025. Known for its innovation and affordability, Xiaomi continues to push the boundaries of smartwatches and fitness trackers.
With cutting-edge features, improved battery life, enhanced health tracking, and sleek designs, these new wearables cater to both tech enthusiasts and fitness-conscious individuals.
In this article, we’ll take a deep dive into the Xiaomi Watch S4 and Xiaomi Smart Band 9 Pro, exploring their specifications, features, pricing, and how they stack up against competitors.
Xiaomi Watch S4: A Powerful Smartwatch with Style and Functionality
The Xiaomi Watch S4 is the latest addition to Xiaomi’s smartwatch lineup, offering an upgraded AMOLED display, powerful battery, advanced health monitoring, and intuitive air gesture controls.
1. Design and Display
The Xiaomi Watch S4 sports a 1.43-inch AMOLED display with a peak brightness of 1500 nits, ensuring clear visibility even under bright sunlight. The sleek, premium design is complemented by interchangeable bezels, allowing users to customize the watch’s appearance.
A standout feature is the tactile rotating crown, which enables smooth and precise navigation through menus and notifications. This small yet significant improvement enhances usability, making interactions feel more natural.
2. Performance and Battery Life
Under the hood, the Xiaomi Watch S4 is powered by a 486mAh battery, providing up to 15 days of usage on a single charge. This extended battery life makes it a great companion for users who don’t want to charge their smartwatch every day.
3. HyperOS 2.0 and Air Gesture Controls
The smartwatch runs on HyperOS 2.0, which introduces a refined user interface and faster response times. One of the most exciting new features is air gesture controls, allowing users to perform actions like answering calls with a simple snap of their fingers.
This feature aims to improve hands-free interaction, making the Xiaomi Watch S4 a unique player in the smartwatch market.
4. Fitness and Health Tracking
With over 150 sports modes, the Xiaomi Watch S4 caters to athletes and fitness enthusiasts. The watch provides:
- Heart rate monitoring
- Blood oxygen tracking
- Sleep analysis
- Stress level tracking
- Advanced workout analytics
Whether you’re into running, swimming, cycling, or strength training, the watch provides detailed insights to help you optimize your fitness routine.
5. Pricing and Availability
The Xiaomi Watch S4 is available for 159.99 Euros, making it a budget-friendly yet feature-packed smartwatch.
Xiaomi Smart Band 9 Pro: The Ultimate Fitness Tracker
Alongside the Xiaomi Watch S4, the company also introduced the Xiaomi Smart Band 9 Pro, an upgraded version of its beloved fitness tracker series.
With a larger display, improved tracking features, and enhanced haptic feedback, the Smart Band 9 Pro is designed for those who want a compact yet powerful fitness wearable.
1. Design and Display
The Xiaomi Smart Band 9 Pro features a large, vibrant display that offers better readability and touchscreen interaction. It now comes in a new Cream White color, adding a fresh look to its already stylish design.
The linear motor provides enhanced haptic feedback, making interactions feel more precise and responsive.
2. Advanced Health Tracking
The Smart Band 9 Pro comes equipped with comprehensive health monitoring features, including:
- Upgraded sleep tracking for detailed sleep analysis
- Continuous heart rate monitoring
- Improved blood oxygen (SpO2) tracking
- Enhanced activity tracking for daily movement goals
These upgrades help users keep track of their health with greater accuracy.
3. Sports and Fitness Features
With over 150 sports modes, the Xiaomi Smart Band 9 Pro can track everything from basic walking and running to more complex workouts like HIIT, yoga, and swimming. The band also provides real-time coaching insights, helping users improve their training efficiency.
4. Pricing and Availability
The Xiaomi Smart Band 9 Pro is priced at 79.99 Euros, making it one of the most affordable yet advanced fitness trackers available.
Comparison: Xiaomi Watch S4 vs. Xiaomi Smart Band 9 Pro
| Feature | Xiaomi Watch S4 | Xiaomi Smart Band 9 Pro |
|---|---|---|
| Display | 1.43-inch AMOLED (1500 nits) | Large AMOLED display |
| Battery Life | Up to 15 days | Long-lasting battery |
| Operating System | HyperOS 2.0 | Proprietary fitness OS |
| Air Gesture Controls | Yes | No |
| Sports Modes | 150+ | 150+ |
| Health Tracking | Heart rate, blood oxygen, sleep tracking, stress monitoring | Heart rate, blood oxygen, sleep tracking |
| Customization | Interchangeable bezels | Multiple band colors |
| Price | 159.99 Euros | 79.99 Euros |
The Xiaomi Watch S4 is the better choice for those looking for a full-fledged smartwatch experience, while the Smart Band 9 Pro is ideal for fitness tracking at an affordable price.
How Xiaomi’s New Wearables Compete with Rivals
The smartwatch and fitness tracker market is highly competitive, with brands like Apple, Samsung, Fitbit, and Garmin leading the charge. Here’s how Xiaomi’s new wearables compare to the competition:
1. Against Apple and Samsung
While Apple and Samsung smartwatches are known for their high-end features and deep ecosystem integration, they come at a premium price. The Xiaomi Watch S4 offers similar functionalities at a much lower cost, making it an attractive alternative.
2. Against Fitbit and Garmin
For fitness tracking, Fitbit and Garmin devices are among the top choices. However, the Xiaomi Smart Band 9 Pro offers comparable features at a fraction of the price, making it a budget-friendly option for health-conscious users.
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FAQs
What are the key differences between the Xiaomi Watch S4 and Smart Band 9 Pro?
The Xiaomi Watch S4 is a full-fledged smartwatch with a rotating crown, HyperOS 2.0, and air gesture controls, while the Smart Band 9 Pro is a fitness tracker focused on health monitoring and affordability.
Which wearable is better for fitness tracking?
If you’re primarily focused on fitness tracking, the Smart Band 9 Pro is a great choice due to its affordability and health-focused features. However, if you want a smartwatch experience with additional functionalities, go for the Xiaomi Watch S4.
