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Wearable comparison

Amazfit Active 3 Premium vs OPPO Watch S

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Amazfit Active 3 Premium

Amazfit Active 3 Premium

  • Screen: 466 × 466 pixels; 353 ppi.
  • 365 mAh battery capacity.
  • Bluetooth 5.3.
  • 5 ATM.
  • Weighs 38 g.
KSh 24,400In Stock
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02
OPPO Watch S

OPPO Watch S

  • Screen: 464 × 464 pixels; 317 ppi.
  • BES2800BP MCU processor.
  • 4 GB storage in this version.
  • Runs ColorOS Watch 7.1.
  • 339 mAh battery.
KSh 25,000In Stock
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2 spaces available

Google Fitbit AirKSh 21,000
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Huawei Watch GT 5KSh 21,500
Amazfit GTR 3 ProKSh 20,000
AmazFit BalanceKSh 22,000
AmazFit CheetahKSh 29,500
2 of 4 products

Our quick verdict

The Amazfit Active 3 Premium lasts longer between charges (12 days typical), has a sharper screen and syncs with apps such as Strava, while the OPPO Watch S takes ECG heart-rhythm readings and is lighter to wear all day.

Display

Amazfit Active 3 Premium
466 × 466 pixels; 353 ppi
OPPO Watch S
464 × 464 pixels; 317 ppi

Battery life

Amazfit Active 3 Premium
365 mAh battery
OPPO Watch S
339 mAh battery

Portability

Amazfit Active 3 Premium
38 g
OPPO Watch S
35 g

Software

Amazfit Active 3 Premium
Zepp
OPPO Watch S
ColorOS Watch 7.1

Connections

Amazfit Active 3 Premium
Bluetooth 5.3
OPPO Watch S
Bluetooth 5.2

Key differences

The main differences to help you choose.

Amazfit Active 3 Premium

  • Longer battery life: up to 12 days in typical use (vs 7).
  • Sharper screen: 353 ppi (vs 317 ppi).
  • Syncs with third-party apps such as Strava and Apple Health.
  • Lower price: KSh 24,400 (vs KSh 25,000).
  • Charging: Magnetic charging head.

OPPO Watch S

  • Lighter: 35 g (vs 38 g).
  • ECG heart-rhythm readings.
  • Slimmer: 8.9 mm thick (vs 11 mm).
  • Charging: Integrated watch charging cable.

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

6 priorities selected.
How each product answers the selected priorities
PriorityAmazfit Active 3 PremiumOPPO Watch S
Battery life365 mAh battery339 mAh battery
Portability38 g35 g
Display1.32-inch OLED display, 353 ppi1.46-inch OLED display, 317 ppi
SoftwareZeppColorOS Watch 7.1
ConnectionsBluetooth 5.3Bluetooth 5.2
Water resistance5 ATMIP68 water and dust resistance

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationAmazfit Active 3 PremiumOPPO Watch S
Display1.32-inch AMOLED1.46-inch AMOLED
Screen resolution466 × 466 pixels; 353 ppi464 × 464 pixels; 317 ppi
Display protectionSapphire glassGlass
Display features—3000 nits (peak)

Connectivity

Connectivity specifications comparison
SpecificationAmazfit Active 3 PremiumOPPO Watch S
BluetoothBluetooth 5.3 BLEBluetooth 5.2; Classic Bluetooth and BLE
Positioning / GNSS5 satellite positioning systemsDual-band L1 + L5; GPS; BeiDou; Galileo; GLONASS; QZSS
Network / cellular—No cellular connectivity
SIM / eSIM—No
Wi-Fi—Unsupported
NFC—Non-encrypted access cards

Identity & design

Identity & design specifications comparison
SpecificationAmazfit Active 3 PremiumOPPO Watch S
BrandAmazfitOPPO
ModelAmazfit Active 3 PremiumOPPO Watch S
Dimensions45 × 45 × 11 mm without heart-rate sensor base44.98 × 44.98 × 8.9 mm, excluding lugs and optical sensor
Weight38 g without strap35 g without strap; 59 g with fluororubber strap; 48 g with woven strap
Build materialsStainless-steel frameStainless-steel frame; PA with 55% fibreglass back
Strap / band20 mm silicone; pin buckleBlack fluororubber or tri-colour woven strap; stainless-steel buckle
Controls / buttonsFour physical buttons and touchscreen—
Announced—2025, October 16
Wrist size—140–210 mm

Audio & communication

Audio & communication specifications comparison
SpecificationAmazfit Active 3 PremiumOPPO Watch S
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth callingBluetooth calling

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationAmazfit Active 3 PremiumOPPO Watch S
SensorsBioTracker PPG; accelerometer; gyroscope; ambient light; geomagnetic sensor; temperature; barometric altimeterAccelerometer; gyroscope; geomagnetic sensor; barometer; optical heart-rate sensor; optical SpO₂ sensor; ECG sensor; wrist-temperature sensor; ambient-light sensor
Health & wellness features24-hour heart rate, SpO₂ and stress; skin temperature; one-tap measurement; high and low heart-rate alerts; low SpO₂ alerts; breathing exercises; PAI; heart-rate recovery; menstrual-cycle tracking60-second Wellness Overview; heart rate and alerts; SpO₂ and alerts; Mind and Body; cycle tracking; wrist temperature; breathing exercises
Sleep trackingSleep HRV; sleep stages including REM; naps; sleep schedule; breathing quality; sleep scoreDeep, light and REM sleep; awake time; respiratory rate; sleep SpO₂; sleep score
Sports / workout modes170+ sports modes100+ sports modes
Training & outdoor featuresZepp Coach; PeakBeats; training templates; interval training; track running; trajectory correction; virtual pacer; lactate threshold; running power; ground-contact time; BioChargeRunning coach; aerobic training effect; cardiorespiratory capacity; recovery time; heart-rate recovery; track running
Safety & emergency features—Fall detection

Battery & durability

Battery & durability specifications comparison
SpecificationAmazfit Active 3 PremiumOPPO Watch S
Battery capacity365 mAh rated339 mAh typical; 330 mAh rated
Battery life12 days typical; 7 days heavy; 4 days AOD; 24 hours GPS; 10 hours GPS with music; 76 hours GPS power saverUp to 10 days maximum; 7 days typical; 4 days AOD
ChargingMagnetic charging headIntegrated watch charging cable
Water resistance5 ATM5 ATM; IP68
Durability / certificationsISO 22810:2010 water-resistance testing; TUV-SUD report 68.189.26.01120.01—

Compatibility

Compatibility specifications comparison
SpecificationAmazfit Active 3 PremiumOPPO Watch S
Phone compatibilityAndroid 7 or later; iOS 14 or laterAndroid 9 or later; iOS 14 or later
Companion appZepp—
ColorsApex Silver; Atlas Blue; Aero WhitePhantom Black; Silver Gleam

Additional specifications

Additional specifications specifications comparison
SpecificationAmazfit Active 3 PremiumOPPO Watch S
Case materialStainless steelStainless steel
Pixels per inch353 ppi317 ppi
Peak brightness3,000 nits peak600 nits default maximum; 1,500 nits HBM; 3,000 nits peak in supported workout modes
Packing listWatch with standard strap; magnetic charging head; instruction manualWatch with strap; integrated charging cable; user guide; safety and warranty booklet
Smart recognition25 strength-training movements; 8 sports movementsRunning; brisk walking; cycling; swimming; rowing machine; elliptical
Third-party fitness appsStrava; TrainingPeaks; Intervals.icu; Google Fit; Apple Health—
Release status—Available. Released 2025, October 22
Card slot—No
Camera—No
3.5 mm headphone jack—No
USB—No
Radio—No
Network speed—No

Performance & software

Performance & software specifications comparison
SpecificationAmazfit Active 3 PremiumOPPO Watch S
Processor—BES2800BP MCU
Storage—4 GB eMMC
Operating system—ColorOS Watch 7.1

Similarities

  • Both have a stainless steel case.
  • Both are water resistant to 50 m.
  • Both take calls over Bluetooth.
  • Both have OLED displays.
  • Both have similar screen sizes (1.32 and 1.46 inches).
  • Both connect over Bluetooth.

In summary

Get the Amazfit Active 3 Premium if you want longer battery life and a sharper screen, or the OPPO Watch S if you would rather have ECG heart-rhythm readings and a lighter watch for all-day wear.

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In-stock alternatives

Amazfit Active MaxFor Amazfit Active 3 PremiumAmazfit Active MaxView product ↗Amazfit Active 2 Premium RoundFor Amazfit Active 3 PremiumAmazfit Active 2 Premium RoundView product ↗OnePlus Watch LiteFor OPPO Watch SOnePlus Watch LiteView product ↗Huawei Watch GT 5For OPPO Watch SHuawei Watch GT 5View product ↗

Related comparisons

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