Amazfit Active 3 Premium vs Amazfit Active 2 (Round)
Both are good picks with different strengths. The Active 3 Premium lasts a little longer (12 days) and has a brighter screen, while the Active 2 (Round) is lighter.
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Key differences
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Battery life
Evenly matched
Similar battery life: up to 12 days and 10 days.
-
GPS
Evenly matched
Both have built-in GPS with similar features.
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Display
Evenly matched
Both have AMOLED screens of a similar size.
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Health
Evenly matched
Much the same health sensors.
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Weight
Active 2 (Round) wins
The Amazfit Active 2 (Round) is lighter: 29.5 g against 38 g.
Which one should you choose?
Choose the Active 3 Premium if…
- You'd like a bit more time between charges: it's rated for 12 days.
- You're outside a lot: its screen reaches 3,000 nits.
- You are hard on your gear: its sapphire lens resists scratches.
Choose the Active 2 (Round) if…
- You wear it to bed or have small wrists: it weighs 29.5 g.
- You like to add apps: it has its own app store.
Full spec comparison
On the specs both makers publish, these 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 3 Premium | Amazfit Active 2 (Round) |
|---|---|---|
| Brand | Amazfit | Amazfit |
| Series | Active | Active |
| Versions | — | Premium Version, Standard Version |
| Colours | Apex Silver, Atlas Blue, Aero White | Black Leather – Premium Version, Red Sport Silicone, Black Sport Silicone |
| Also sold as | Active 3 | Amazfit Active 2, Active 2 |
Platform & apps
The Active 2 (Round) is ahead on phone and software.
It has an app store, and the Active 3 Premium doesn't beat it on anything here.
| Spec | Amazfit Active 3 Premium | Amazfit Active 2 (Round) |
|---|---|---|
| Operating system | Zepp OS | — |
| Works with | iPhone and Android | iPhone and Android |
| Minimum iOS | iOS 14 | iOS 14 |
| Minimum Android | Android 7 | Android 7 |
| App store | No | Yes |
| Subscription | Not needed | Optional |
| Subscription name | — | Zepp Aura Premium |
| Subscription features | — | specialized weekly and monthly sleep reports, unlimited messages to the AI sleep coach |
Display
The Active 3 Premium is ahead on the display.
It has a brighter screen, and the Active 2 (Round) doesn't beat it on anything here.
| Spec | Amazfit Active 3 Premium | Amazfit Active 2 (Round) |
|---|---|---|
| Display type | AMOLED | AMOLED |
| Screen size | 1.32 in | 1.32 in |
| Resolution | 466 x 466 | 466 x 466 |
| Pixel density | 353 ppi | 353 ppi |
| Peak brightness | 3,000 nits | 2,000 nits |
| Colour display | Yes | Yes |
| Always-on display | Yes | — |
| Touchscreen | Yes | Yes |
| Controls | touchscreen, buttons | touchscreen, buttons |
Design & durability
Each watch has its strengths on size and durability.
The Active 3 Premium has a sapphire lens, while the Active 2 (Round) is lighter.
| Spec | Amazfit Active 3 Premium | Amazfit Active 2 (Round) |
|---|---|---|
| Case sizes | 45 mm | 43.9 mm |
| Case shape | Round | Round |
| Dimensions | 45 x 45 x 11 mm | 43.9 x 43.9 x 9.9 mm |
| Thickness | 11 mm | 9.9 mm |
| Weight (case) | 38 g | 29.5 g |
| Case material | Stainless steel | Stainless steel bezel, Polymer middle frame |
| Bezel material | — | Stainless steel |
| Lens | Sapphire Glass | Tempered glass + anti-fingerprint coating |
| Band material | silicone | silicone |
| Band width | 20 mm | 20 mm |
| Band fitting | — | Quick Release |
| Fits wrists | — | 135-195 mm |
| Water resistance | 5 ATM | 5 ATM |
| Water standard | ISO 22810:2010 | ISO 22810:2010 |
Battery
The Active 3 Premium is ahead on battery life.
It lasts a little longer (12 days), and the Active 2 (Round) doesn't beat it on anything here.
| Spec | Amazfit Active 3 Premium | Amazfit Active 2 (Round) |
|---|---|---|
| Battery (smartwatch mode) | 12 days | 10 days |
| Battery (GPS) | 24 hours | 21 hours |
| All battery modes | Smartwatch: 12 days; Always-on display: 4 days; GPS: 24 hours; Multi-band GPS + music: 10 hours; Battery saver: 3.2 days | Smartwatch: 10 days; Smartwatch: 5 days; GPS: 21 hours; Battery saver: 19 days |
| Battery capacity | 365 mAh | 270 mAh |
| Charging | puck | puck |
| Full charge time | — | 120 min |
GPS & navigation
Both have built-in GPS with similar capabilities.
| Spec | Amazfit Active 3 Premium | Amazfit Active 2 (Round) |
|---|---|---|
| GPS | Built-in | Built-in |
| Maps | Downloadable maps | Downloadable maps |
| Navigation features | turn-by-turn, round-trip routing, back-to-start | turn-by-turn, back-to-start, course import |
| Ski maps | — | Yes |
Health & sensors
Both track much the same health data.
Heart rate, sleep and the extra sensors line up closely.
| Spec | Amazfit Active 3 Premium | Amazfit Active 2 (Round) |
|---|---|---|
| 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 PPG biometric sensor (5PD + 2LED) | 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 | Yes |
| Sleep tracking | Sleep score | Sleep score |
| Stress tracking | Yes | Yes |
| Energy score | BioCharge | — |
| Readiness score | — | Readiness score |
| Cycle tracking | Yes | Yes |
Training
Training features are evenly matched.
| Spec | Amazfit Active 3 Premium | Amazfit Active 2 (Round) |
|---|---|---|
| Sport profiles | 170 | 164 |
| Auto activity detection | Yes | Yes |
| Triathlon / multisport | Yes | — |
| Swim tracking | Pool and open water | Pool and open water |
| Training metrics | VO2 max, training load, training effect, lactate threshold | VO2 max, recovery time |
| Adaptive coaching | Yes | Yes |
| Running dynamics | Yes | — |
| Wrist running power | Yes | — |
| Strength rep counting | Yes | Yes |
| Heart-rate broadcast | Yes | Yes |
| External sensors | Bluetooth HR strap, power meter, speed/cadence | Bluetooth HR strap, power meter, speed/cadence |
Smart features
Both offer much the same smart features.
| Spec | Amazfit Active 3 Premium | Amazfit Active 2 (Round) |
|---|---|---|
| Notifications | Yes | Yes |
| Message replies | Android | Android |
| Calls on the watch | Yes | Yes |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Voice assistant | Zepp Flow | Zepp Flow |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.2 |
| Find my phone | Yes | Yes |
Diving, golf & more
Neither has a specialist edge here.
| Spec | Amazfit Active 3 Premium | Amazfit Active 2 (Round) |
|---|---|---|
| Specialist modes | — | ski |