Best Fitness Trackers · head-to-head

Amazfit Band 7 vs Xiaomi Smart Band 9

A sourced, side-by-side comparison. Amazfit Band 7 is cheaper at $49.99. Every spec and price links to its source.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Amazfit Band 7 Xiaomi Smart Band 9
US price $49.99 US MSRP at launch Jul 20 2022.
BrandAmazfit (Zepp Health)Xiaomi
Released2022-07
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).

What's the difference between the Amazfit Band 7 and Xiaomi Smart Band 9?

Where the two actually differ on the specs we track (2 of 8). Matching specs are omitted.

  • Display: Amazfit Band 7 AMOLED 1.47in vs Xiaomi Smart Band 9 AMOLED 1.62in
  • Battery days: Amazfit Band 7 18 vs Xiaomi Smart Band 9 21

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Amazfit Band 7

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.

Xiaomi Smart Band 9

No sourced tester review yet.

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