Amazfit (Zepp Health)
Amazfit Band 7
$49.99
Released 2022-07
Best Fitness Trackers · head-to-head
A sourced, side-by-side comparison. Amazfit Band 7 is cheaper at $49.99. Every spec and price links to its source.
Amazfit (Zepp Health)
$49.99
Released 2022-07
Xiaomi
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | Xiaomi Smart Band 9 |
|---|---|---|
| US price | $49.99 US MSRP at launch Jul 20 2022. | — |
| Brand | Amazfit (Zepp Health) | Xiaomi |
| Released | 2022-07 | — |
| Form factor | band | band |
| Display | AMOLED 1.47in | AMOLED 1.62in |
| Battery days | 18 | 21 |
| Gps | No | No |
| Spo2 | Yes | Yes |
| Ecg | No | No |
| Subscription required | No | No |
| Water resistance (m) | 50 | 50 |
| Release | 2022 | — |
Sources — Amazfit Band 7: us.amazfit.com (verified 2026-06-15). Xiaomi Smart Band 9: mi.com (verified 2026-07-08).
Where the two actually differ on the specs we track (2 of 8). Matching specs are omitted.
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Two whitelisted hands-on reviews cover this exact model and both survived verification: Notebookcheck (lab-measured, 2023) and Tom's Guide (2024). Both praise the AMOLED display and long battery life for a sub-$50 tracker with 120 sport modes, and both flag the lack of built-in GPS. Notebookcheck additionally lab-flags large exercise heart-rate errors and a slow, poorly implemented Alexa; Tom's Guide flags paywalled Zepp premium reports and a strap that can come undone. (2 sourced reviews, 2 lab-tested.)
Praised: Good AMOLED display / panel quality; Long battery life for the price; 120 sport/activity modes at a sub-$50 price.
Flagged: No built-in GPS (relies on paired phone); Large heart-rate deviations during exercise (up to 39 bpm); Amazon Alexa is slow and poorly implemented.
No sourced tester review yet.