
Xiaomi Mi Smart Band 10
Score: 86/100
Amazfit Helio Strap
Score: 79/100Rankings

The Xiaomi Mi Smart Band 10 offers a large, ultra-bright AMOLED screen and an industry-leading 21-day battery life. Its main trade-offs are the absence of standalone GPS and occasional clasp durability issues. Ideal for swimmers and budget-conscious users who value long endurance and a rich sport-mode library.

The Amazfit Helio Strap is a screen-free fitness band that offers ultra-lightweight comfort and up to 10 days of battery life. Its trade-offs include a single-size nylon strap, no on-device display, and a plastic build that may feel cheap. It's ideal for runners and users who want comprehensive health tracking without a subscription.
| Attribute | ![]() | ![]() |
|---|---|---|
504 hoursbest | 240 hours | |
| ↓ lower better | 27 g | 18 gbest |
| ↓ lower better | 60 minutes | 2 minutesbest |
1.72 inbest | — | |
150best | 50 | |
| ↓ lower better | 2 mmbest | 33.97 mm |
1,500 nitsbest | — | |
— | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(2) | ||
Battery Life (hours) | 504 hours | 240 hours |
Charging Time (minutes) | 60 minutes | 2 minutes |
Build & Design(4) | ||
Weight (g) | 27 g | 18 g |
Thickness (mm) | 2.0 mm | 33.97 mm |
Strap Material | Multi-material | Nylon |
Water & Dust Resistance (IP Rating) | 5ATM | 5 ATM |
Connectivity(1) | ||
Bluetooth Version | 5.4 | Bluetooth |
Features(1) | ||
Sports Modes (Count) | 150 | 50 |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the Smart Band 10 for its sizable, ultra-bright AMOLED screen, impressive 21-day battery, and highly accurate heart-rate and swim tracking. The addition of an electronic compass and a linear-motor haptic system are seen as meaningful upgrades that elevate the device above its predecessor, while the extensive sport mode library adds versatility.
Everyday users consistently praise the band's long battery life, bright display, and reliable step, heart-rate, and sleep tracking. Swimmers especially value the 96 % lap-count accuracy and underwater HR broadcast.

“by far the lightest band out there”

“extremely light - set and forget”

“fantastic budget-friendly no-subscription Whoop alternative”


Professional reviewers commend the Helio Strap for its impressive battery endurance, accurate heart-rate monitoring, and feather-light feel, positioning it as a strong budget alternative to subscription-based wearables. However, they note drawbacks such as occasional activity-detection glitches, a cheap-looking plastic build, and the limitation of a single strap size.
Everyday users appreciate the comfort, long battery life, and the fact that no monthly fee is required, highlighting its suitability for continuous wear and sleep tracking. Common complaints revolve around the one-size-fits-all strap, the lack of a display, and the effort needed to adjust or remove the band.