Smart Band vs Redmi Watch vs Xiaomi Watch: which wearable should you buy?
Last updated: July 16, 2026
Xiaomi's wearables run from a $40 fitness band that lasts two weeks to full smartwatches. The right pick depends on exactly two things: what you track and how often you'll tolerate charging.
Xiaomi's wearable lineup looks crowded, but it's really three tiers with clear trade-offs. The famous Smart Band (ex-"Mi Band") is the best-selling fitness tracker in history for a reason; the watches above it trade battery life for bigger screens and GPS. Here's the honest comparison.
The three tiers
| Smart Band | Redmi Watch | Xiaomi Watch (S series) | |
|---|---|---|---|
| Best for | Sleep + step tracking, notifications | Casual fitness with GPS on a budget | A real smartwatch look and feel |
| Battery (realistic) | ~2 weeks | ~1–2 weeks | ~2–5 days depending on features |
| Built-in GPS | No (uses phone GPS) | Yes | Yes (dual-band on recent models) |
| Screen | Small AMOLED strip | Square AMOLED | Large round AMOLED |
| Calls / mic | No | Some models (Bluetooth calls) | Yes |
| Price feel | $ | $$ | $$$ |
Pick the Smart Band if…
…you mainly want sleep tracking, steps, heart rate and phone notifications, and you hate charging things. Two weeks of battery means you actually wear it every night, which makes its sleep data more useful in practice than a technically better watch that's charging on your nightstand. Runners can still record accurate routes by carrying their phone.
Pick a Redmi Watch if…
…you want built-in GPS for phone-free runs and a proper watch-shaped screen at the lowest price. It keeps most of the band's battery virtue. The compromises: the software ecosystem is simpler than a true smartwatch — you get fixed watch faces and basic apps, not an app store.
Pick a Xiaomi Watch if…
…you want something that looks and behaves like a smartwatch: bigger display, voice calls from the wrist, richer workout metrics and nicer materials. Battery is still multiples of an Apple Watch, but you'll charge it more than once a week if you use always-on display and GPS regularly.
What all three share
- Mi Fitness app on iOS and Android — heart rate, SpO2, sleep stages, stress and workout history in one place.
- They pair with any phone; you do not need a Xiaomi phone (a few quick-reply features are Android-only).
- Accuracy: heart rate and sleep are solid for the price across the range; wrist GPS on the watches is good, not sports-watch elite.
- None of them do medical-grade ECG readings in most regions — if that matters, this is the wrong aisle.
Value tip: the previous-generation Smart Band typically drops 30–40% when a new one launches, while changing little year over year. It is perennially one of the best pure value buys in consumer electronics.