The wearables market is changing rapidly, and the question of what the latest version of Xiaomi’s smartwatch is available today worries many users who have been following technological progress. In 2026, Xiaomi radically revised its design and software philosophy, introducing a line of devices that no longer just complements the smartphone, but becomes a full-fledged computing center on the wrist. The new S4 series models, released earlier this year, set a new industry standard by combining premium materials with the advanced HyperOS 3.0 system.
If you’ve been looking for an answer, the current flagship is the Xiaomi Watch S4 Pro, which replaces the popular third series, which features not only an updated processor, but a revolutionary fast-swap system, as well as significantly improved health sensors. It’s important to understand that the transition to the new platform has allowed engineers to introduce features previously unavailable in the brand ecosystem, including full-time offline mapping and advanced sports metrics.
In this article, we will discuss the characteristics of current models in detail so that you can understand how the latest version differs from its predecessors and whether it is worth your attention. We will analyze the autonomy, screen quality and operating system features, since these parameters play a key role in everyday use of the gadget.
The flagship line of Xiaomi Watch S4 Pro: characteristics and innovations
The centerpiece of the new lineup is the Xiaomi Watch S4 Pro, which features a titanium alloy body and anti-reflective sapphire glass, and engineers have been able to reduce the size of the device by 10% compared to the previous generation while retaining an increased display area thanks to a smaller bezels, making it comfortable even for thin-wrist users, which was previously a problem for the brand’s men’s models.
The internals have also undergone significant changes: the new chipset provides instant interface response and allows you to run more demanding applications without delay. The processor is made using a 4-nanometer process, which has a positive effect on energy efficiency. Now you can count on a full two days of active use with a constantly on screen and working heart rate monitoring.
⚠️ Note: Despite the declared water resistance 5 ATM, new-model S4 Pro modified dynamic membrane design. It is not recommended to immerse the watch in hot water or sauna, as high temperature can disrupt the tightness of adhesive joints, which is not a warranty case.
Special attention should be paid to the system of fastening straps Xiaomi Quick Release 2.0. Now to replace the bracelet does not need any tools, and compatibility is extended to third-party accessories standard 22 mm with an adapter. This gives the user freedom of choice of style, from classic leather belt to sports silicone.
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To extend the life of the S4 Pro titanium body, avoid contact with aggressive chemicals (pool chlorine, cosmetics) and wipe the body with a soft cloth after training.
Specialized version of Xiaomi Watch S4 Sport for extreme sports
Along with the classic flagship, the manufacturer introduced a specialized version of the Xiaomi Watch S4 Sport, aimed at professional athletes and fans of extreme sports. This model features a reinforced body that meets the military standard of impact resistance, and the presence of a dual navigation system with support for all major satellite constellations, including the latest Chinese and European systems.
The sporting modification features an expanded set of sensors and algorithms for recovery analysis, which can measure heart rate variability (HRV) in the background and recommend rest periods before the next workout. Marathon and triathlon athletes are equipped with an Ultra-Endurance mode that allows the device to run in tracking mode for up to 40 hours without recharging.
- 🏃♂️ Support for more than 150 sports modes with automatic activity recognition.
- 🗺️ Ability to download offline maps with relief detailing for hiking.
- 🔋 Increased 600mAh battery for extreme conditions.
It’s worth noting that the sports version software has a unique interface optimized for reading data on the go. Large fonts and contrasting colors provide excellent readability even in bright sun or in poor light.
HyperOS 3.0: features and interface
One of the key reasons the latest version of the watch has become significantly smarter is the transition to HyperOS 3.0.This operating system provides deep integration with the Xiaomi ecosystem, allowing you to control the smart home, cameras and even the brand’s cars right from the wrist.
The updated system redesigned the logic of widgets, so that the user can adjust not only the order, but also the size of the blocks of information on the dial, creating a personalized dashboard. Supports the installation of third-party mini-applications, which extends the functionality of the device far beyond the standard set.
Settings → Display → Brightness and textures → Adaptive color temperatureThis menu allows you to activate a mode that adjusts the color gamut of the interface to the ambient light, reducing the load on the eyes, and the system also has an advanced voice assent that understands contextual commands and can perform complex scenarios, such as “set your sleep mode and set your alarm for 7 am”.
⚠️ Note: When you first turn on a HyperOS 3.0 watch, you may need to update your firmware weighing more than 1 GB. It is recommended to connect the watch to the charger during the upgrade to avoid interruption of the process and possible damage to system files.
☑️ Checking after HyperOS update
Comparison of technical characteristics of models 2026
To make a final decision, you need to make a detailed comparison of the two top models, as they are aimed at different audiences. Despite the common name of the series, the differences between the Pro and Sport versions are significant and concern not only the appearance, but also the filling.
The table below provides the basic parameters that will help you make informed choices based on your needs and lifestyle.
| Characteristics | Xiaomi Watch S4 Pro | Xiaomi Watch S4 Sport |
|---|---|---|
| Case material | Titanium alloy | Reinforced polymer + Stainless steel |
| Display. | AMOLED, 1.43", 466x466 | AMOLED, 1.43", 466x466 (protective layer) |
| Autonomy (type) | Up to 12 days. | Up to 18 days (energy saving mode) |
| GPS | Dual-frequency GNSS + Offline maps | |
| Weight (without strap) | 38 grams | 45 grams |
As you can see from the comparison, the Sport model benefits in terms of autonomy and security, while the Pro version offers more premium materials and less weight.
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Choose the Pro model for everyday wear and business meetings, and the Sport model – if you are professionally involved in sports or often go hiking without access to a socket.
Autonomy and new charging technologies
The issue of power consumption remains critical for all smartwatches, and Xiaomi in the latest version solved this problem comprehensively: new devices have an optimized power controller that intelligently allocates resources between background tasks and active screen use. In the “clock only” mode, the device can last up to 45 days, which is a great indicator for business trips.
The fast-charging system has been upgraded to take just 50 minutes to fully charge, and 10 minutes on charging provides a day of normal operation, using a new type of magnetic connector that is more secure and not afraid of moisture entering the contacts thanks to the special design of the pin.
- ⚡ Adaptive screen refresh rate (1 Hz static, 60 Hz scrolling).
- 🌙 Smart night mode, disabling unnecessary sensors during sleep.
- 🔋 Optimization of background data synchronization with a smartphone.
Users note that the actual operating time is highly dependent on the notification settings and frequency of GPS use, but even in an active use case, the watch confidently keeps the manufacturer's declared 2-3 days.
Why is the clock running out?
Availability in Russia and compatibility with smartphones
The official release of the latest version of Xiaomi smart watches to the Russian market took place simultaneously with the global release. The devices are certified and have a full interface Russification, as well as support for voice assistant. Both versions are available in retail networks and online stores: Pro and Sport, in various color versions.
As for compatibility, the watch works with Android smartphones (version 10 and above) and iOS (version 16 and above).However, iPhone owners should be aware of some limitations of functionality: reply to messages and use of the keyboard are available only on Android, whereas on iOS you can only view incoming notifications. To pair, you use the Xiaomi Wear app (or Mi Fitness depending on the region), which you need to download from the official app store.
When buying, it is important to pay attention to the box marking: the global version (Global) has NFC support for payment in those regions where it works, and the correct localization. Chinese versions (CN) may have language restrictions and work with European servers, so it is recommended to purchase a global version for use in Russia.