Smartwatches / Compare
Amazfit Active 2 (Round) vs Amazfit Balance
Product A: Amazfit
70 of 150 known
Change Amazfit Active 2 (Round)
Product B: Amazfit
80 of 150 known
Change Amazfit Balance
64 of 141 fields differ
- 31 different values
- 33 known for one only
- 24 the same
- 53 missing for both
Biggest differences
Each bar uses the scale of all 101 smartwatches.
- Battery lifeA: 240hB: 336hBalance is 96 h higher.
Size, drawn to scale
Front and side.
- AActive 2 (Round): 43.9 × 43.9 mm
- BBalance: 46 × 46 mm
Weight
0 to 80 g
Weight (case only)
A29.5g
B35g
All 150 fields
Every value links to where we found it.


General
6 of 10 differ
Series
Model numbers
A2433, A2437, W2437GL3N, W2437GL1N, ACTIVE2RBK-C0208005007, ACTIVE2RLE-C02080350012Owner's manualsupport.amazfit.com/en/amazfit_active_2%28round%29/imgs/electronic_manual.pdfRead 5 October 2026Printed page 6 identifies NFC model A2433 and non-NFC A2437. Exact retail SKU mappings come from current regional product pages. Shared NFC/payment flags are omitted because they are not variant-enabled and cannot safely describe both editions.7Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 20268Maker product pagede.amazfit.com/products/amazfit-active-2Read 5 October 2026
GTIN / EAN
Not available
Not available
Announced
Status
Not available
Not available
Predecessor
Not available
Not available
Successor
Not available
Launch price (US)
Launch price (EU)
Not available
Markets
US, DE7Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 20268Maker product pagede.amazfit.com/products/amazfit-active-2Read 5 October 2026
Not available
Colours
Red Sport Silicone, Black Sport Silicone, Black Leather – Premium1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Three marketed combinations are stated in the technical table. Exact current US and German retail SKUs prove the represented sold configurations.
Segment
OS updates promised
Not available
Not available
Security updates until
Not available
Not available
Case
5 of 8 differ
Case size
Case shape
Case material
Case material (as published)
Stainless steel bezel and polymer middle frame1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026
Aluminum alloy middle frame and fibre-reinforced polymer bottom shell7Spec databasegadgetsandwearables.com/technical-specs/amazfit-balanceRead 13 October 2026Aluminum alloy middle frame + fibre-reinforced polymer bottom shell.
Back
Not available
Fibre-reinforced polymer bottom shell7Spec databasegadgetsandwearables.com/technical-specs/amazfit-balanceRead 13 October 2026Fibre-reinforced polymer bottom shell.
Case dimensions
Height43.9Width43.9Thickness9.9mm(1.7 × 1.7 × 0.4 in)1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Technical Specifications / Design explicitly excludes the heart-rate sensor base from the 9.9 mm thickness.
Height46Width46Thickness10.6mm(1.8 × 1.8 × 0.4 in)7Spec databasegadgetsandwearables.com/technical-specs/amazfit-balanceRead 13 October 2026Physical size 46 x 46 x 10.6 mm.
Weight (case only)
Weight with strap
Not available
Not available
Durability
0 of 8 differ
Water resistance
Water resistance standard
Dust and water rating
Not available
Not available
Dive rating
Not available
Not available
Max dive depth
Not available
Not available
MIL-STD-810
Not available
Not available
MIL-STD-810 tests
Not available
Not available
Operating temperature
Display
5 of 14 differ
Display type
Display type (as published)
Screen size
Resolution
Pixel density
Display area
Not available
Not available
Touchscreen
Max refresh rate
Not available
Not available
Min refresh rate
Not available
Not available
Peak brightness
Not available
Minimum brightness
Not available
Not available
Always-on display
Display cover
Display cover (as published)
Tempered glass with anti-fingerprint coating1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Standard tempered glass and Premium sapphire are explicitly distinguished in the technical table and exact supplied-strap variants.
Tempered glass with anti-glare glass bezel and anti-fingerprint coating1Maker product pageamazfit.com/products/amazfit-balanceRead 13 October 2026Display: touchscreen of tempered glass with anti-glare glass bezel and anti-fingerprint coating.
Platform
5 of 15 differ
Platform
OS at launch
Not available
Software
Not available
Not available
Latest OS
Works with
Phone requirement
Android 7.0 or iOS 14.0 and later.1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026
Android 7.0 or iOS 14.0 or above. Needs the Zepp app.1Maker product pageamazfit.com/products/amazfit-balanceRead 13 October 2026Supported Devices: Android 7.0 and above, iOS 14.0 and above. Application: Zepp App.5Owner's manualsupport.amazfit.com/en/amazfit_balance/imgs/electronic_manual.pdfRead 13 October 2026Device requirements: Android 7.0 or iOS 14.0 or above.
App store
Yes1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Maker app section and full manual printed page 36 explicitly support installed Mini Apps from the Zepp app store.3Owner's manualsupport.amazfit.com/us/amazfit_active_2(round)/files/user-manual.pdf.pdfRead 5 October 2026Printed page 36 Mini App installation and uninstallation uses the Zepp device app store.
Voice assistants
Zepp Flow, Amazon Alexa1Maker product pageamazfit.com/products/amazfit-balanceRead 13 October 2026Lifestyle Features list Zepp Flow and Amazon Alexa.4Press releasezepp.com/press-release/zepp-health-introduces-zepp-os-4-redefining-wearable-intelligence-by-integrating-openais-gpt-4o-into-its-amazfit-smartwatchesRead 13 October 2026Release: Zepp OS 4 brings Zepp Flow with GPT-4o to the Balance.8Reviewandroidcentral.com/wearables/amazfit-balance-reviewRead 13 October 2026Review: use Alexa on the watch or change the assistant to Zepp Flow.
Chipset
Not available
Not available
Process
Not available
Not available
CPU cores
Not available
Not available
CPU configuration
Not available
Not available
Max CPU clock
Not available
Not available
GPU
Not available
Not available
Low-power coprocessor
Not available
Not available
Memory
None of 2 known
RAM
Not available
Not available
Storage
Not available
Not available
Health sensors
3 of 8 differ
Heart rate sensor
BioTracker 6.0 PPG, two LEDs and five photodiodes1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 20264Press releaseus.amazfit.com/blogs/news/amazfit-announces-the-active-2-the-ultimate-everyday-smartwatch-for-active-and-healthy-livingRead 5 October 2026Cutting-Edge Technology explicitly states two LEDs and five photodiodes for BioTracker 6.0.
BioTracker 5.0 PPG biometric optical sensor (dual-LED, 8PD)1Maker product pageamazfit.com/products/amazfit-balanceRead 13 October 2026Sensors: BioTracker 5.0 PPG biometric sensor (8PD + 2LED). The two LEDs are stored as dual-LED.3Press releaseprnewswire.com/news-releases/zepp-health-launches-amazfit-balance-with-ai-empowered-features-for-the-ultimate-in-balanced-living-301915603.htmlRead 13 October 2026Release: upgraded dual-LED and 8PD BioTracker 5.0 PPG biometric optical sensor.
ECG capability
Not available
Blood oxygen sensing
Skin temperature sensing
Blood pressure feature
Not available
Not available
Body composition sensor
Not available
Yes1Maker product pageamazfit.com/products/amazfit-balanceRead 13 October 2026Sensors list the BIA bioelectric impedance sensor.5Owner's manualsupport.amazfit.com/en/amazfit_balance/imgs/electronic_manual.pdfRead 13 October 2026Body composition measurement with two fingers on the crown and the back button, with eight values.
Skin conductance (EDA)
Not available
Not available
Medical clearances
Not available
Not available
Motion and environment sensors
1 of 9 differ
Accelerometer
Accelerometer range
Not available
Not available
Gyroscope
Barometric altimeter
Ambient light sensor
Depth gauge
Not available
Not available
Depth gauge range
Not available
Not available
Water temperature sensor
Not available
Not available
Health and fitness
4 of 5 differ
Health features
Continuous heart rate, Heart rate alerts, Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Readiness score, Cycle tracking1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Technical health table explicitly supports all retained functions. HRV is sleep HRV. Readiness is a daily wellness score. Note 3 requires enabling periodic HR/SpO2/stress and setting alert thresholds, with movement and fit restrictions. These are wellness functions. Sleep-breathing quality is not clinical sleep-apnea notification.3Owner's manualsupport.amazfit.com/us/amazfit_active_2(round)/files/user-manual.pdf.pdfRead 5 October 2026Printed pages 25-28 explain daily readiness from HR, stress, sleep, HRV and temperature, and explicit sleep stages including REM. No clinical apnea claim is inferred.
Heart rate alerts, Blood oxygen app, Heart rate variability, Sleep tracking, Stress tracking, Readiness score, Body composition3Press releaseprnewswire.com/news-releases/zepp-health-launches-amazfit-balance-with-ai-empowered-features-for-the-ultimate-in-balanced-living-301915603.htmlRead 13 October 2026Release: Readiness score each morning, and body composition measurement of body fat, skeletal muscle, muscle, water, bone mass, protein, BMI and basal metabolism.6Owner's manualsupport.amazfit.com/en/amazfit_balance/files/user-manual.pdf.pdfRead 13 October 2026Readiness score, body composition, heart rate alerts and sleep. Also stress and HRV in the Readiness explanation.7Spec databasegadgetsandwearables.com/technical-specs/amazfit-balanceRead 13 October 2026Sleep yes, HRV yes, stress yes, blood oxygen yes, heart rate alerts for arrhythmia and atrial fibrillation, body composition yes (BIA).
Fitness features
Automatic workout detection, VO2 max, Training load, Recovery advice, Pool swim, Open water swim, Strength rep counting, Interval workouts, Route navigation, Turn-by-turn navigation, Trackback3Owner's manualsupport.amazfit.com/us/amazfit_active_2(round)/files/user-manual.pdf.pdfRead 5 October 2026Printed pages 12-15 define interval/rest/repeat training, route import, turn prompts and return along the recorded track. Pages 17/18 explicitly define pool/open-water SWOLF and stroke recognition. Page 19 automatically records eight recognized workouts. Pages 20-23 specify VO2 max, EPOC load and recovery. VO2 max requires qualifying running with HR at least 75 percent of maximum. The maker launch explicitly proves automatic strength rep/set counts.4Press releaseus.amazfit.com/blogs/news/amazfit-announces-the-active-2-the-ultimate-everyday-smartwatch-for-active-and-healthy-livingRead 5 October 2026Fitness section explicitly counts reps, sets and rest time during recognized strength exercises.
Automatic workout detection, VO2 max, Training load, Recovery advice, Pool swim, Open water swim, Route navigation, Trackback6Owner's manualsupport.amazfit.com/en/amazfit_balance/files/user-manual.pdf.pdfRead 13 October 2026Over 150 workout modes with automatic workout identification, VO2 Max, training load and total recovery time, pool and open water swimming, track navigation with route import, and return to start with Backtrack.
Dive modes
Not available
Not available
External sensors
Heart rate strap, Power meter, Speed and cadence1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Technical table and note 18 explicitly support BLE heart-rate belts, running/cycling power meters, cycling speed and cadence sensors. External power-meter compatibility is not built-in running-power proof.
Not available
Safety
3 of 6 differ
Fall detection
Not available
Car crash detection
Not available
Not available
Emergency SOS
Not available
Emergency siren
Not available
Not available
Live location sharing
Not available
Not available
Dedicated LED flashlight
Not available
Positioning
3 of 3 differ
Positioning
Not available
Dual-band GNSS
Connectivity
10 of 15 differ
Bluetooth
Not available
Bluetooth version
Wi-Fi
Not available
Wi-Fi standard
Not available
Wi-Fi bands
Not available
Cellular
Not available
Network
Not available
Not available
4G bands
Not available
Not available
5G bands
Not available
Not available
NFC
Not available
Contactless payments
Not available
Yes3Press releaseprnewswire.com/news-releases/zepp-health-launches-amazfit-balance-with-ai-empowered-features-for-the-ultimate-in-balanced-living-301915603.htmlRead 13 October 2026Release: Zepp Pay contactless payment.7Spec databasegadgetsandwearables.com/technical-specs/amazfit-balanceRead 13 October 2026NFC / connected pay yes (Zepp Pay, region-dependent).
Payment services
Not available
Ultra-wideband
Not available
Satellite
Not available
Not available
ANT+
Not available
Not available
Audio
1 of 4 differ
Speaker
Microphones
Not available
Not available
Calls on the watch
Music on the watch
Yes1Maker product pageamazfit.com/products/amazfit-balanceRead 13 October 2026Lifestyle Features: Music Storage up to 2.2GB.7Spec databasegadgetsandwearables.com/technical-specs/amazfit-balanceRead 13 October 2026On-board music storage yes.8Reviewandroidcentral.com/wearables/amazfit-balance-reviewRead 13 October 2026Review: local storage and Bluetooth let you store music on the watch and stream it to earbuds.
Controls
4 of 5 differ
Buttons
Named operating buttons
Crown
Rotating bezel
Not available
Gestures
Not available
Not available
Battery and charging
6 of 13 differ
Battery capacity
Claimed battery life
AAmazfit Active 2 (Round)
| Mode | With solar | Hours (h) |
|---|---|---|
| Smartwatch | No | 240 |
| Low power | No | 456 |
| Heavy use | No | 120 |
| GPS | No | 21 |
BAmazfit Balance
| Mode | With solar | Hours (h) |
|---|---|---|
| Smartwatch | No | 336 |
| Heavy use | No | 168 |
| Always-on | No | 120 |
| Low power | No | 600 |
| Time only | No | 1,200 |
| GPS, dual-band | No | 26 |
| GPS, power saving | No | 52 |
Source1Maker product pageamazfit.com/products/amazfit-balanceRead 13 October 2026Typical use up to 14 days, heavy use up to 7 days, AOD mode up to 5 days, Battery Saver up to 25 days and Clock Mode up to 50 days. Accuracy GPS up to 26 hours and Power Saving GPS up to 52 hours. Automatic GPS is listed at 47 hours with a footnote of about 44 hours, so it is left out. Days are converted to hours exactly. Accuracy GPS is stored as the dual-frequency mode and Power Saving GPS as the GPS power saving mode, after the maker preset name. A second copy of the table on the same page lists Battery Saver as 14 days. The highlights, the first table and the US, German and India pages all say 25 days, so 25 is stored.2Maker product pageus.amazfit.com/products/amazfit-balanceRead 13 October 2026Highlights: 14 days typical usage, 5 days AOD mode and 25 days Battery Saver Mode. The FAQ also says battery saver mode extends it to 25 days.
Smartwatch mode (claimed)
240h
336h
AOD battery life (up to)
Not available
120h
GPS mode (claimed)
21h
Not available
Solar charging
Not available
Not available
Charging method
Magnetic pins1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Quick guide printed page 4 explicitly describes metal charging contacts mating with the magnetic base. The USB-C socket is on the base, not the watch.2Owner's manualsupport.amazfit.com/en/amazfit_active_2%28round%29/imgs/electronic_manual.pdfRead 5 October 2026Printed page 4 explicitly identifies metal charging contacts fitting closely to the charging base.
Charging guidance
Not available
The manual lists an input of DC 5 V 800 mA max and says to use a power adapter of 1 A or above. The watch sits in the supplied charging base with metal contacts. The adapter is not in the box.5Owner's manualsupport.amazfit.com/en/amazfit_balance/imgs/electronic_manual.pdfRead 13 October 2026Charging: use the charging base that comes with the watch. Use a 1 A or above power adapter. Input DC 5 V 800 mA max.
Max charging power (watch)
Not available
Not available
Fast charging
Not available
Not available
Quick charge claim
Not available
Not available
Charge 0 to 80% (claimed)
Not available
Not available
Full charge time (claimed)
Measured
1 of 4 differ
Peak brightness (measured)
Not available
Not available
Battery life (measured)
Not available
Not available
Battery tests (measured)
Not available
Not available
Strap
5 of 6 differ
Lug width
Quick-release strap
Not available
Strap system
Not available
Strap material
Not available
Strap
Not available
Not available
Strap sizes
AAmazfit Active 2 (Round)
| Wrist (min) (mm) | Wrist (max) (mm) |
|---|---|
| 135 | 195 |
BAmazfit Balance
| Size | Wrist (min) (mm) | Wrist (max) (mm) |
|---|---|---|
| Silicone strap | 140 | 215 |
| Nylon strap | 140 | 210 |
Regulatory
None of 3 known
FCC ID
Not available
Not available
SAR limb (US)
Not available
Not available
SAR limb (EU)
Not available
Not available
Other certifications
Not available
Not available
In the box
1 of 2 differ
In the box
Smartwatch with supplied strap, Magnetic charging base, Instruction manual1Maker product pageus.amazfit.com/products/active-2-roundRead 5 October 2026Technical packing list includes watch with standard strap, charging base and instruction manual. USB-C cable and power adapter are absent. The original launch additionally supplies a red silicone strap with the US Premium package, recorded only in that variant row.4Press releaseus.amazfit.com/blogs/news/amazfit-announces-the-active-2-the-ultimate-everyday-smartwatch-for-active-and-healthy-livingRead 5 October 2026Launch design paragraph explicitly includes an additional red silicone strap in the Premium package. Retained only for the represented US Premium configuration.
Smartwatch with band × 1, Charging base × 1, Instruction Manual × 11Maker product pageamazfit.com/products/amazfit-balanceRead 13 October 2026Packing List: smartwatch with standard strap, magnetic charging cable and instruction manual. The manual lists a charging base.5Owner's manualsupport.amazfit.com/en/amazfit_balance/imgs/electronic_manual.pdfRead 13 October 2026Package contents: smartwatch with the band, charging base and instruction manual.
Links
Not compared
Product page
Spec sheet
Not available
Not available
Manual
support.amazfit.com/us/amazfit_active_2(round)/files/user-manual.pdf.pdf3Owner's manualsupport.amazfit.com/us/amazfit_active_2(round)/files/user-manual.pdf.pdfRead 5 October 2026Original complete Active 2 (Round) user guide, 38 pages. It is not the Square manual. A map-download instruction incorrectly refers to Wi-Fi although exact quick parameters and maker connectivity table do not publish Wi-Fi. Wi-Fi standards/bands are omitted rather than inherited from this instruction.
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Manufacturer warranty (source market)
Not available
Both are also in the API. Back to all smartwatches.
















