Amazfit Active 2 (Round) vs Amazfit Balance 2
The Balance 2 is the better watch on paper: it lasts longer (21 days), lasts longer on GPS (33 hours) and has a bigger 47.4 mm case. Pick the Active 2 (Round) only if it matters to you that it has a smaller 43.9 mm case and is lighter.
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Key differences
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Battery life
Balance 2 wins
The Amazfit Balance 2 lasts up to 21 days against 10 days.
-
GPS
Balance 2 wins
The Amazfit Balance 2 adds multi-band GPS for more accurate tracks.
-
Display
Balance 2 wins
Both are AMOLED, but the Amazfit Balance 2's screen is bigger (1.5 in against 1.32 in).
-
Health
Evenly matched
Much the same health sensors.
-
Weight
Active 2 (Round) wins
The Amazfit Active 2 (Round) is lighter: 29.5 g against 43 g.
Other differences
- Case size Depends on you
The Balance 2 has a bigger 47.4 mm case; the Active 2 (Round) is 43.9 mm, a better fit for smaller wrists.
- Water rating Balance 2 wins
The Balance 2 is rated 10 ATM against 5 ATM, better for snorkelling and water sports.
Which one should you choose?
Choose the Active 2 (Round) if…
- You have a smaller wrist: its case is the smaller one.
- You wear it to bed or have small wrists: it weighs 29.5 g.
- You want it to slide under a sleeve: it's 9.9 mm thick.
Choose the Balance 2 if…
- You hate charging: it's rated for up to 21 days in smartwatch mode.
- You do long runs, rides or hikes: it's rated for 33 hours with GPS.
- You want a bigger screen and larger buttons: its case is the larger one.
- You snorkel, surf or swim in open water: it's rated 10 ATM.
Full spec comparison
The Balance 2 leads on battery life; elsewhere the two are closely matched.
Green cells with a ✓ mark the better spec in that row. Tick "Show differences only" to hide the rows where they match.
Overview
| Spec | Amazfit Active 2 (Round) | Amazfit Balance 2 |
|---|---|---|
| Brand | Amazfit | Amazfit |
| Series | Active | Balance |
| Versions | Premium Version, Standard Version | — |
| Colours | Black Leather – Premium Version, Red Sport Silicone, Black Sport Silicone | Black |
| Also sold as | Amazfit Active 2, Active 2 | Balance 2 Series |
Platform & apps
Both work with the same phones and software.
| Spec | Amazfit Active 2 (Round) | Amazfit Balance 2 |
|---|---|---|
| Operating system | — | Zepp OS |
| Works with | iPhone and Android | iPhone and Android |
| Minimum iOS | iOS 14 | iOS 15 |
| Minimum Android | Android 7 | Android 7 |
| RAM | — | 3 MB |
| App store | Yes | — |
| Subscription | Optional | Not needed |
| Subscription name | Zepp Aura Premium | — |
| Subscription features | specialized weekly and monthly sleep reports, unlimited messages to the AI sleep coach | — |
Display
The Balance 2 is ahead on the display.
It has a bigger screen, and the Active 2 (Round) doesn't beat it on anything here.
| Spec | Amazfit Active 2 (Round) | Amazfit Balance 2 |
|---|---|---|
| Display type | AMOLED | AMOLED |
| Screen size | 1.32 in | 1.5 in |
| Resolution | 466 x 466 | 480 x 480 |
| Pixel density | 353 ppi | 323 ppi |
| Peak brightness | 2,000 nits | 2,000 nits |
| Colour display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Controls | touchscreen, buttons | touchscreen, buttons |
Design & durability
Each watch has its strengths on size and durability.
The Balance 2 has a bigger 47.4 mm case; the Active 2 (Round) is 43.9 mm, a better fit for smaller wrists. The Active 2 (Round) has a smaller 43.9 mm case, is lighter and is slimmer, while the Balance 2 has a bigger 47.4 mm case, is rated 10 ATM and has a sapphire lens.
| Spec | Amazfit Active 2 (Round) | Amazfit Balance 2 |
|---|---|---|
| Case sizes | 43.9 mm | 47.4 mm |
| Case shape | Round | Round |
| Dimensions | 43.9 x 43.9 x 9.9 mm | 47.4 x 47.4 x 12.3 mm |
| Thickness | 9.9 mm | 12.3 mm |
| Weight (case) | 29.5 g | 43 g |
| Case material | Stainless steel bezel, Polymer middle frame | Aluminum alloy frame, fiber-reinforced polymer case |
| Bezel material | Stainless steel | — |
| Lens | Tempered glass + anti-fingerprint coating | Sapphire Glass |
| Band material | silicone | silicone |
| Band width | 20 mm | 22 mm |
| Band fitting | Quick Release | 22 mm |
| Fits wrists | 135-195 mm | 140-210 mm |
| Water resistance | 5 ATM | 10 ATM |
| Water standard | ISO 22810:2010 | ISO 22810:2010 |
| MIL-STD-810 tested | — | Yes |
Battery
The Balance 2 is ahead on battery life.
It lasts longer (21 days) and lasts longer on GPS (33 hours), and the Active 2 (Round) doesn't beat it on anything here.
| Spec | Amazfit Active 2 (Round) | Amazfit Balance 2 |
|---|---|---|
| Battery (smartwatch mode) | 10 days | 21 days |
| Battery (GPS) | 21 hours | 33 hours |
| All battery modes | Smartwatch: 10 days; Smartwatch: 5 days; GPS: 21 hours; Battery saver: 19 days | Smartwatch: 21 days; GPS: 33 hours; Battery saver: 2.8 days |
| Battery capacity | 270 mAh | 658 mAh |
| Battery type | — | Built-in battery |
| Charging | puck | puck |
| Full charge time | 120 min | 120 min |
GPS & navigation
Both have built-in GPS with similar capabilities.
| Spec | Amazfit Active 2 (Round) | Amazfit Balance 2 |
|---|---|---|
| GPS | Built-in | Built-in |
| Multi-band GPS | — | Yes |
| Satellite systems | — | GPS, GLONASS, Galileo |
| Maps | Downloadable maps | Downloadable maps |
| Navigation features | turn-by-turn, back-to-start, course import | turn-by-turn, round-trip routing |
| Golf courses | — | 40,000 |
| Ski maps | Yes | Yes |
Health & sensors
Both track much the same health data.
Heart rate, sleep and the extra sensors line up closely.
| Spec | Amazfit Active 2 (Round) | Amazfit Balance 2 |
|---|---|---|
| Sensors | optical HR, SpO2, skin temperature, accelerometer, gyroscope, barometer, compass, ambient light, thermometer | optical HR, SpO2, skin temperature, accelerometer, gyroscope, barometer, compass, ambient light, thermometer |
| Heart-rate sensor | BioTracker 6.0 PPG biometric sensor | BioTracker 6.0 PPG biometric sensor |
| Heart-rate tracking | 24/7 | 24/7 |
| High/low heart-rate alerts | Yes | Yes |
| Heart-rate variability | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Skin temperature | Yes | Yes |
| Respiration rate | Yes | — |
| Sleep tracking | Sleep score | Sleep score |
| Stress tracking | Yes | Yes |
| Energy score | — | BioCharge |
| Readiness score | Readiness score | Recovery Status |
| Cycle tracking | Yes | Yes |
Training
The Balance 2 is ahead on training features.
It has more training metrics, and the Active 2 (Round) doesn't beat it on anything here.
| Spec | Amazfit Active 2 (Round) | Amazfit Balance 2 |
|---|---|---|
| Sport profiles | 164 | 180 |
| Auto activity detection | Yes | Yes |
| Triathlon / multisport | — | Yes |
| Swim tracking | Pool and open water | Pool and open water |
| Training metrics | VO2 max, recovery time | VO2 max, training load, training effect, recovery time, race predictor, lactate threshold, HRV status |
| Adaptive coaching | Yes | Yes |
| Running dynamics | — | Yes |
| Wrist running power | — | Yes |
| Strength rep counting | Yes | Yes |
| Heart-rate broadcast | Yes | — |
| External sensors | Bluetooth HR strap, power meter, speed/cadence | Bluetooth HR strap, power meter, foot pod, speed/cadence |
Smart features
Both offer much the same smart features.
| Spec | Amazfit Active 2 (Round) | Amazfit Balance 2 |
|---|---|---|
| Notifications | Yes | Yes |
| Message replies | Android | Android |
| Calls on the watch | Yes | — |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Voice assistant | Zepp Flow | Zepp Flow |
| Wi-Fi | — | Wi-Fi 2.4 GHz |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.2 |
| Find my phone | Yes | Yes |
| Flashlight | — | No |
Diving, golf & more
Neither has a specialist edge here.
| Spec | Amazfit Active 2 (Round) | Amazfit Balance 2 |
|---|---|---|
| Specialist modes | ski | golf, ski |
| Max dive depth | — | 45 m |
| Dive standard | — | EN 13319:2000 |