Amazfit Balance 2 vs Garmin Vivoactive 6: Battery or Ecosystem?

The Amazfit Balance 2 and the Garmin Vivoactive 6 both launched in 2025 at the exact same $299.99 price, and both are AMOLED smartwatches aimed at everyday fitness fans. But they solve the problem in opposite ways: one is a big-battery hardware brute, the other is a lightweight watch riding on the best training software around.

Key Differences

• Battery: The Balance 2 lasts 21 days in smartwatch mode versus 11 days for the Vivoactive 6. Almost double.
• Weight and size: The Vivoactive 6 is 23g with a 42.2mm case. The Balance 2 is 43g with a chunkier 47mm case.
• Calls on the wrist: The Balance 2 has a mic and speaker for Bluetooth calls and voice control. The Vivoactive 6 does not.
• Water rating: Balance 2 is rated 10 ATM, the Vivoactive 6 is 5 ATM.
• Ecosystem: The Vivoactive 6 runs on Garmin Connect. The Balance 2 uses Zepp. That software gap matters more than any single spec.

Deep Dive Comparison

Design & Comfort

These watches feel different on the arm. The Vivoactive 6 weighs just 23g with a 42.2mm fiber-reinforced polymer case and an anodized aluminum bezel. It disappears on a smaller wrist and is the better sleep-tracking companion because you forget it is there. The Balance 2 is heavier at 43g and wider at 47mm, with an aluminum alloy frame and a fiber-reinforced polymer case. It is not huge, but it reads as a men’s watch and can crowd a slim wrist. The upside of that size is the 10 ATM water rating versus 5 ATM on the Garmin, so the Balance 2 shrugs off deeper swims and showers without a second thought.

Battery Life

This is the clearest win on the page. The Balance 2 runs 504 hours, or 21 days, in smartwatch mode and 33 hours with multi-band GPS active. The Vivoactive 6 manages 264 hours, or 11 days, in smartwatch mode and 21 hours on GPS. If you hate charging, or you want to track a full week of sleep without a mid-week top-up, the Amazfit wins going away.

Health & Fitness Features

Both watches carry multi-band GPS, so raw location accuracy is close and both hold up well in city streets and tree cover. Both track heart rate, SpO2 blood oxygen, and skin temperature, and both pack an accelerometer, gyroscope, and ambient light sensor. On paper it is a wash. In practice the Vivoactive 6 pulls ahead because of Garmin Connect: better structured workouts, better recovery and training insight, and years of trusted running data behind it. The Balance 2 uses the BioTracker 6.0 optical heart rate sensor and the Zepp app, which has improved a lot but still trails Garmin for serious training analysis.

Smart Features

The Balance 2 is the smarter smartwatch. It has a built-in mic and speaker, so you can take Bluetooth calls and use voice control from your wrist, plus 32GB of storage for offline music and apps. The Vivoactive 6 has no speaker and 8GB of storage. Both offer NFC contactless payments and phone notifications. If you want your watch to double as a call and media device, the Balance 2 is the only one here that does it.

Price & Value

Both launched at $299.99, so this comes down to what the money buys. Feature for feature, the Balance 2 gives you more raw hardware at that price: nearly double the battery, a bigger 1.5-inch screen, a speaker and mic, four times the storage, and a tougher 10 ATM rating. The Vivoactive 6 charges the same $299.99 and asks you to pay partly for the software and the Garmin name. That is a real value, just a different kind.

Technical Specs

Spec	Amazfit Balance 2	Garmin Vivoactive 6
Display	1.5-inch AMOLED, 480 x 480	1.2-inch AMOLED, 390 x 390
Case Size	47mm	42.2mm
Weight	43g	23g
Water Rating	10 ATM	5 ATM
Battery (Smartwatch)	504 hours (21 days)	264 hours (11 days)
Battery (GPS)	33 hours	21 hours
GPS	Multi-band	Multi-band
Sensors	HR, SpO2, accelerometer, gyroscope, geomagnetic, barometer, ambient light, temperature	HR, SpO2, accelerometer, compass, gyroscope, thermometer, ambient light
Mic & Speaker	Yes	No
Storage	32GB	8GB
NFC Payments	Yes	Yes
Price	$299.99	$299.99

The Verdict

At $299.99 apiece, this is a fight between hardware and software, and the winner depends on what you actually do with a watch. For most buyers, the Amazfit Balance 2 is the better deal. You get nearly double the battery, a bigger screen, a speaker and mic for calls, four times the storage, and a tougher water rating for the same price. It is simply more watch.

Buy the Balance 2 if you want maximum battery, wrist calls, and the most hardware per dollar, and you are fine living in the Zepp app. Buy the Garmin Vivoactive 6 if you run or train seriously, want the lightest watch for all-day and sleep wear, and value Garmin Connect’s coaching and recovery tools enough to trade away battery and the speaker. Casual users lean Amazfit. Dedicated runners lean Garmin.

Frequently Asked Questions

Which watch is better for most people?

For most buyers, the Amazfit Balance 2. At the same $299.99 it delivers roughly double the battery, a bigger screen, onboard calls, and more storage. The Garmin Vivoactive 6 only pulls ahead if training software and light weight matter more to you than raw hardware.

How much longer does the Amazfit Balance 2 battery actually last?

The Balance 2 is rated for 504 hours, or 21 days, in smartwatch mode versus 264 hours, or 11 days, for the Vivoactive 6. On GPS it is 33 hours to 21 hours. In real terms you charge the Amazfit less than half as often.

Is the Garmin Vivoactive 6 worth the same price when it has less hardware?

It can be, because you are paying for Garmin Connect, not just the specs. Garmin’s training analysis, recovery insight, and running data are the best in the class, and the 23g body is far comfier for sleep tracking. If those things matter to you, the $299.99 is justified.

Which is the better choice for serious runners?

The Garmin Vivoactive 6. Both have multi-band GPS, so location accuracy is close, but Garmin Connect offers stronger structured workouts, recovery metrics, and long-trusted running data. Serious runners will get more coaching value out of the Garmin despite its shorter battery.

Can either watch take calls from the wrist?

Only the Amazfit Balance 2. It has a built-in mic and speaker for Bluetooth calls and voice control, plus 32GB of storage for offline music. The Vivoactive 6 has no speaker, so calls and on-wrist audio are off the table.