Fitbit Charge 6 vs Xiaomi Smart Band 9
Fitbit Charge 6 (2023, listed at $159) and Xiaomi Smart Band 9 (2024, listed at $49) are both fitness bands, so the choice comes down to specifics.
Specs last updated · prices are list prices
Fitbit Charge 6
The most full-featured fitness band — built-in GPS, ECG and Google Maps on the wrist.
Xiaomi Smart Band 9
21-day battery in a $50 AMOLED band — unbeatable wellness tracker for the price.
The verdict
On the numbers we track, Fitbit Charge 6 wins on tracked features (6 vs 2); Xiaomi Smart Band 9 wins on battery life (21 days vs 7 days), weight (16 g vs 23 g) and price ($49 vs $159).
Bottom line: on raw specs the Xiaomi Smart Band 9 leads 3 to 1, but five spec categories are only a starting point. Match it to your phone, your main sport and your budget before you decide, or run the free quiz to see how each ranks for your answers.
Spec by spec
| Spec | Fitbit Charge 6 | Xiaomi Smart Band 9 |
|---|---|---|
| Battery (rated) | 7 days | 21 days |
| Weight | 23 g | 16 g |
| List price | $159 | $49 |
| Water rating | 5ATM | 5ATM |
| Tracked features | 6 | 2 |
| Case size | 36 mm | 47 mm |
| Display | AMOLED | AMOLED |
| Works with | both iPhone and Android | both iPhone and Android |
| Listed best for | everyday wellness, health tracking and gym and strength work | everyday wellness |
| Released | 2023 | 2024 |
Trophy marks the better value on the five measurable specs. Battery is the manufacturer's rating, not our test. How we score is on the methodology page.
Feature overlap
Both have (2)
- blood-oxygen (SpO₂)
- AMOLED display
Only Fitbit Charge 6 (4)
- built-in GPS
- ECG
- contactless payments
- swim tracking
Only Xiaomi Smart Band 9 (0)
Nothing unique.
Which one should you pick?
Pick the Fitbit Charge 6 if…
- You need built-in GPS, ECG, contactless payments and swim tracking, which the Xiaomi Smart Band 9 does not list.
- Your main use is health tracking and gym and strength work: it is listed for that and the Xiaomi Smart Band 9 is not.
- You might switch phones: it works with both iPhone and Android, the Xiaomi Smart Band 9 only works with Android.
Skip it if…
- • You want a big, easy-to-read screen — the case we list is only 36 mm.
Pick the Xiaomi Smart Band 9 if…
- You want to spend less: it lists for $110 less.
- You want fewer charges: about 21 days per charge vs 7 days.
- You want a lighter watch: 16 g vs 23 g.
- You might switch phones: it works with both iPhone and Android, the Fitbit Charge 6 only works with Android.
- You want the newer model (2024 vs 2023).
Skip it if…
- • You want to run or ride without your phone — it has no built-in GPS.
- • You have a small wrist (under about 160 mm) — the 47 mm case we list is large (check whether a smaller size is sold).
Frequently asked questions
Which has better battery life, the Fitbit Charge 6 or the Xiaomi Smart Band 9?
The Xiaomi Smart Band 9 has the longer rated battery life: about 21 days per charge against 7 days. These are manufacturer ratings; heavy GPS, always-on display and cellular use will cut both.
Which is cheaper, the Fitbit Charge 6 or the Xiaomi Smart Band 9?
The Xiaomi Smart Band 9 has the lower list price: $49 against $159 in our database. List prices change often, so check Amazon for today's price.
Do the Fitbit Charge 6 and Xiaomi Smart Band 9 work with iPhone and Android?
Yes, they have the same phone support: both iPhone and Android.
Which is better for swimming, the Fitbit Charge 6 or the Xiaomi Smart Band 9?
Neither has an edge on water rating: both are rated 5ATM. 5ATM is suitable for showering and pool swimming, but not for high-speed water sports or diving. Only the Fitbit Charge 6 has a dedicated swim-tracking mode in our data.
Not sure either is right for you?
Nine questions about your phone, sport, wrist and budget, scored against all of our watches with the reasoning shown.
Take the free quizWhere each one ranks #1 in our quiz
Fitbit Charge 6
Xiaomi Smart Band 9
It is not the top pick for any standard quiz profile.