What is the Xiaomi bracelet: evolution and comparison of models

Choosing an activity tracker is often a challenge given the rapid release of new versions and the variety of features. Consumers often wonder what makes Xiaomi’s bracelet different, because they appear almost identical on the surface, but hide different technologies under the body.

In this article, we will take a closer look at the evolution of the lineup so that you can understand the difference between generations and choose the device that you really need, rather than overpaying for unnecessary options.

The main emphasis is placed on technical characteristics, quality of materials and software capabilities that directly affect the comfort of use in everyday life.

Evolution of design and materials of the case

The first thing that catches your eye when comparing models is the change in form factor and materials used. While earlier versions, such as the Mi Band 3 and 4, had a classic oval shape with a recessed screen, modern models have moved to a rectangular format with a frameless front panel.

Starting with the sixth generation, Xiaomi engineers increased the screen area to 126%, allowing more information to be displayed without scrolling. The case also underwent changes: instead of simple plastic, top versions began to use zinc alloys and Gorilla Glass.

The strap attachment has also become a universal standard, making it easy to change the look of the gadget, but it is worth remembering that the mounting mechanisms in different generations can vary slightly in width of the latches.

• 🔹 Classic oval: typical of the Mi Band 1-5, capsule is completely hidden in the strap.
• 🔹 Rectangle without frames: introduced in Mi Band 6 and later, improves readability.
• 🔹 Metal inserts: appeared in Pro versions and the latest flagships for strength.

Importantly, the change in design has led to a change in the ergonomics of the wrist seating, with flatter models less of a problem when typing on a keyboard or wearing under the shirt cuffs.

Differences in display types and interface

The key element answering the question of what distinguishes the Xiaomi bracelet from different years of release is the matrix technology. OLED-screens that provided deep black and high contrast.

However, in recent models, such as the Mi Band 8 and 9, the manufacturer began to implement AMOLED-matrix with an increased refresh rate of 60 Hz. This makes the menu animation smooth, as on a full-fledged smart watch, and removes the effect of “twitching” when scrolling.

⚠️ Warning: brighter and more modern screens consume more power, so when choosing a model with a high hertz, you should consider the potential decrease in autonomy.

The screen resolution has also increased: while pixel density used to allow individual dots to be seen, text now looks clear and smooth. Automatic brightness adjustment has improved with improved light sensors.

The MIUI for Watch interface has also undergone changes, becoming more logical and supporting the installation of third-party dials with complex graphics.

Comparison of health monitoring systems

Health tracking functionality is what trackers buy for: Basic metrics like steps and heart rate are present in all models, but the accuracy and set of additional sensors vary greatly.

Older models could measure heart rate with a large margin of error when moving actively, while newer versions feature optical sensors with improved architecture that read readings up to 100 times per second, which is critical for interval training.

It is also worth noting the emergence of new monitoring functions:

• 🩸 Measurement of blood oxygen levels (SpO2): It was released in Mi Band 6 and became the standard.
• 🧘 Monitoring Stress and Breathing: Analyzes Heart Rate Variability at Rest.
• 🌙 Sleep phase analysis: modern algorithms distinguish between fast, deep and superficial sleep, as well as daytime naps.

In the latest versions, the “Tracking Run” mode was added with the construction of the route (if you have a connected phone) and a more detailed cadence analysis.

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For maximum accuracy of pulse measurements, wear the bracelet tightly but without squeezing the wrist, about two centimeters above the bone.

The menstrual cycle and reminders feature deserves special attention, which has become more integrated into Xiaomi’s overall health ecosystem.

Autonomy and Charging Features

While the first models could last up to 20 days, modern smart bracelets with bright screens and constant monitoring require more frequent recharging.

The average uptime varies from 7 to 14 days depending on the settings, and the key factor here is the use of the Always-On Display feature, which can cut the uptime by half.

The charging mechanism has changed, and it used to be necessary to take the capsule out of the strap and insert it into a special dock container, and now many models, like the Mi Band 8, use magnetic charging, which is faster and more convenient.

Below is a comparative table of autonomy across generations under standard use:

It is worth considering that active use of GPS (via phone) and constant notifications also affect the charge consumption.

Compatibility and software

Xiaomi’s ecosystem is built around the Mi Fitness app (formerly Zepp Life), and it’s important to understand that newer wristbands may not be supported by older versions of apps or smartphone operating systems.

For the correct operation of modern models requires Android 6.0 / iOS 12.0 and higher. data synchronization occurs through Bluetooth 5.0 and later, which provides stable connection and less power consumption.

Notifications have also expanded to include not only reading messages, but also quick responses with ready-made phrases (on Android) or emojis, and Cyrillic notifications are fully supported in all current versions.

⚠️ Note: on iOS devices, the bracelet functionality may be limited compared to Android, for example, quick response to messages is not available.

Regular firmware updates add new dials and improve activity recognition algorithms, so it is important to monitor the relevance of the software.

Final comparison and selection recommendations

So to sum up, there's a lot of difference between generations, and if you want a pedometer, old models are good, but for better health tracking and comfort, you'd better look at new products.

The key difference between modern Xiaomi bracelets is the presence of a full AMOLED screen with a frequency of 60 Hz and magnetic charging, which turns them from simple meters to mini-smartphones.

When choosing, focus on your needs: whether you need built-in GPS (there are Pro versions), whether maximum autonomy is important or design is a priority.

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The best choice in terms of price/quality ratio at the moment are the Mi Band 8 and 9 models, which received all modern functions without overpaying for excessive watch capabilities.

Don’t chase the most expensive model if the basic features of the previous generation fully satisfy your sports demands and notifications.

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