Xiaomi Smart Band 9 Pro
Score: 82/100
Amazfit Helio Strap
Score: 79/100Rankings
The Xiaomi Smart Band 9 Pro combines a large, 1200-nit AMOLED screen with standalone GPS and a rich health-monitoring suite, targeting outdoor fitness enthusiasts. Trade-offs include a bulkier feel, occasional brightness lag, and the lack of music/NFC features. Best for users who need accurate GPS and a bright display for varied lighting conditions.
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 | 40 g | 18 gbest |
| ↓ lower better | 75 minutes | 2 minutesbest |
1.74 inbest | — | |
350 mAhbest | — | |
150best | 50 | |
| ↓ lower better | 2.2 mmbest | 33.97 mm |
1,200 nitsbest | — |
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) | 75 minutes | 2 minutes |
Build & Design(4) | ||
Weight (g) | 40 g | 18 g |
Thickness (mm) | 2.2 mm | 33.97 mm |
Strap Material | TPU, Calfskin | 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 consider the Smart Band 9 Pro a significant step forward, emphasizing its expansive high-brightness display, robust GNSS capabilities, and comprehensive sport and health features. While the device is praised for comfort and visual clarity, the only notable drawback mentioned is the occasional lag in automatic brightness adaptation under sudden lighting changes.
Everyday users praise the long battery life, bright display, and comprehensive health monitoring, while noting occasional lag in automatic brightness and bulkier feel.
“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.
