Xiaomi Smart Band 9 vs Huawei Watch GT 5 vs Fitbit Charge 6: Which One Should You Actually Buy?

The evenings are getting shorter, the Dublin Marathon is a few weeks out, and gym memberships all over the country are being dusted off after the summer. It's the time of year when our phones and inboxes fill up with the same question: which fitness tracker should I get?

Three keep coming up. The Xiaomi Smart Band 9 is the budget favourite. The Huawei Watch GT 5 is the one people pick when they want a proper watch on their wrist. The Fitbit Charge 6 is the one people trust for health tracking.

They're all good. They're just good at different things — and the right answer depends far more on your phone and your habits than on any spec sheet. Here's how we'd guide you if you walked into our Midleton or Dungarvan store.

The 30-second answer

• Buy the Xiaomi Smart Band 9 if you want steps, sleep and notifications for the least money, and you don't mind bringing your phone on runs.
• Buy the Huawei Watch GT 5 if you want the longest battery life, the most accurate GPS of the three, and something that looks like a watch rather than a fitness band.
• Buy the Fitbit Charge 6 if heart health matters to you — it's the only one of the three with an ECG app — or if you're deep into the Google ecosystem.

Quick comparison

Xiaomi Smart Band 9: the value pick

Xiaomi's band punches well above its price. You get a 1.62-inch AMOLED screen that hits 1200 nits, which means you can still read it on a bright day, and a 233mAh battery Xiaomi rates at up to 21 days of typical use. Independent testing with the always-on display switched on, sleep tracking running and a few workouts a week still landed around a week between charges — so even the "realistic" figure comfortably beats the other two.

There are over 150 sport modes, 5ATM water resistance for pool swimming, and it charges fully in about an hour on its magnetic cable.

The catch: there's no built-in GPS. If you go for a run, your phone has to come with you or your route and pace won't be recorded properly. There's no speaker or mic either, so no calls from your wrist and no contactless payments on the standard model.

Best for: anyone starting out, teenagers, gym-goers, or people who mostly want step counts, sleep stages and notifications without thinking about charging.

Huawei Watch GT 5: the battery and GPS champion

If you want something that reads as a watch rather than a tracker, this is the one. The GT 5 comes in a 46mm version with a 1.43-inch AMOLED display and a stainless steel frame, or a smaller 41mm version with a 1.32-inch screen and a leaf-patterned bezel — the 41mm is genuinely a better fit on slimmer wrists at around 35g.

Battery is the headline. Huawei rates the 46mm at up to 14 days maximum, around 9 days in typical use, and about 5 days with the always-on display enabled. The 41mm is shorter at roughly 7, 5 and 3 days respectively — worth knowing before you choose a size.

It's also the strongest of the three for outdoor tracking. The GT 5 uses dual-band positioning (GPS L1+L5, plus Galileo, GLONASS, BeiDou and QZSS), which handles built-up areas and tree cover far better than single-band GPS. Add a speaker for Bluetooth calls, NFC, wireless charging, and both 5ATM and IP69K ratings, and it's the most complete hardware package here.

The catch: Huawei's software lives slightly apart from Google's and Apple's worlds. Third-party app support is limited, and you'll want to check notification behaviour with your particular phone.

Best for: runners, walkers, hikers, cyclists, and anyone who resents charging a watch every few days.

Fitbit Charge 6: the health tracker

The Charge 6 is the smallest of the three and the most focused on what's happening inside your body. Alongside continuous heart rate and built-in GPS, it has an ECG app that can check your heart rhythm for signs of atrial fibrillation and produce a result you can bring to your GP. It also does EDA stress scans, overnight SpO2, heart rate variability, breathing rate and skin temperature.

Google brought its Pixel Watch heart rate algorithm across to the Charge 6, which noticeably improved accuracy during high-intensity workouts — spinning, rowing, HIIT. It can also broadcast your heart rate to compatible gym equipment, which is a genuinely useful trick if you use a Peloton or a NordicTrack. And because it's a Google device now, you get Google Maps turn-by-turn directions on your wrist, tap-to-pay with Google Wallet, and YouTube Music controls.

The catch: Battery is rated at up to 7 days, which is fine but the shortest here. And a good chunk of the interesting data — Sleep Profile, Daily Readiness Score, detailed wellness reports, the workout library — sits behind a Premium subscription. Six months are included in the box; after that it's an ongoing cost.

Best for: anyone with a heart health reason to track, Android users already using Google Wallet and Maps, and people who want the most detailed sleep analysis of the three.

Battery life, honestly

Manufacturer battery figures are all measured in labs with settings you probably won't use. Here's the practical version:

• Always-on display roughly halves everything. The GT 5 46mm drops from about 9 days to 5. The Xiaomi drops from around 21 days to around 9.
• GPS is the biggest drain. If you're doing three or four hour-long outdoor sessions a week, expect meaningfully less than the quoted numbers on the Charge 6 and GT 5.
• Real-world ranking still holds: Xiaomi first by a wide margin, GT 5 46mm second, Charge 6 third.

If "I hate charging things" is your main criterion, the Xiaomi wins and it isn't close.

Do you actually need built-in GPS?

This is the single question that decides most purchases, so be honest with yourself.

You need built-in GPS if you run, cycle or hike and want accurate distance, pace and route maps without carrying your phone. Phone-based GPS on the Xiaomi works, but only while the phone is with you.

You don't need it if your activity is mostly walking, the gym, classes, or swimming — the step counter and heart rate sensor do the work there, and you'll save both money and battery.

The subscription question

Worth flagging clearly, because it surprises people after they've bought.

The Xiaomi Smart Band 9 and Huawei Watch GT 5 give you all their features for free, forever, in the Mi Fitness and Huawei Health apps respectively.

The Fitbit Charge 6 includes six months of Premium, and after that the advanced insights need a paid membership. The basic tracking — steps, heart rate, sleep duration, exercise — keeps working without it. But the scores and reports people quote in reviews mostly don't. Factor that into the total cost before you decide it's the best value of the three.

iPhone or Android? It matters

Something we always ask in-store, because it changes the recommendation.

• iPhone: all three work, but with reduced functionality on the Xiaomi in particular — iOS restricts background health data and notification interaction for third-party bands. The Charge 6 has the smoothest iPhone experience of the three, though Google Wallet payments are Android-only.
• Android: all three are at their best. The Charge 6 needs Android 11 or newer and a Google account; the Xiaomi needs Android 8.0 or newer.

If you're an iPhone user who wants payments and calls on your wrist, be aware that no tracker on this list does both.,

So which one?

Buying for someone else and genuinely unsure? The Xiaomi Smart Band 9 is the safest gift of the three. It's the least likely to sit in a drawer, because there's nothing to set up beyond an app and nothing to subscribe to.

Frequently asked questions

Does the Xiaomi Smart Band 9 have GPS? No. It doesn't have built-in GPS and relies on your phone's GPS for route and pace data during outdoor workouts. If you want to leave your phone at home, choose the Huawei Watch GT 5 or the Fitbit Charge 6.

Which of these has the best battery life? The Xiaomi Smart Band 9, rated at up to 21 days of typical use. The Huawei Watch GT 5 46mm is next at around 9 days typical, and the Fitbit Charge 6 is rated at up to 7 days.

Do I have to pay for Fitbit Premium? Not for basic tracking. Steps, heart rate, sleep duration and workouts all keep working without it. But features like Sleep Profile, Daily Readiness Score and detailed wellness reports need a paid membership once the six included months run out.

Can you swim with them? Yes, all three are rated 5ATM, which covers surface swimming and pool use. None of them are designed for diving, hot tubs or saunas. Rinse with fresh water afterwards, and don't wear leather or braided straps in water.

Which is best for an iPhone? The Fitbit Charge 6 has the most complete iPhone experience of the three. All three pair with an iPhone, but the Xiaomi loses some background health monitoring and notification features on iOS.

Which one can take calls? Only the Huawei Watch GT 5. It has a built-in speaker and microphone for Bluetooth calls when your phone is nearby. Neither the Xiaomi Smart Band 9 nor the Fitbit Charge 6 has a speaker.

Come and try them on

A tracker you don't like wearing is a tracker you won't wear. The GT 5 in particular feels different in the 41mm and 46mm sizes, and the only way to know which suits you is to put it on.

We've been an Irish family-run electrical business since 1976, and we're part of Expert, Ireland's largest electrical retail group. You'll find us at Midleton Retail Park in Co. Cork and the Applegate Centre in Dungarvan, Co. Waterford.

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Not sure which one suits you? Email us at support@irwinsmegastore.ie or call into either store and we'll talk it through properly. More guides like this one are on our Technology and Gadgets blog.

Fitness trackers and smart watches are wellness devices, not medical equipment. They are not intended to diagnose, treat or monitor any medical condition. If you have a health concern, please speak to your GP or pharmacist. Features, battery figures and app support are as stated by the manufacturers and may change with software updates.