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Wearable comparison

Amazfit Active 2 Premium Round vs OPPO Watch S

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Amazfit Active 2 Premium Round

Amazfit Active 2 Premium Round

  • Screen: 466 × 466 pixels; 353 ppi.
  • Runs Zepp OS.
  • 270 mAh battery capacity.
  • Bluetooth 5.2.
  • 5 ATM.
KSh 22,000In 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

Samsung Galaxy Watch FEKSh 19,500
Google Fitbit AirKSh 21,000
AmazFit Cheetah RoundKSh 28,000
Amazfit Active 3 PremiumKSh 24,400
Amazfit GTR 3 ProKSh 20,000
AmazFit BalanceKSh 22,000
Amazfit Helio StrapKSh 22,000
2 of 4 products

Our quick verdict

The OPPO Watch S has a bigger battery (339 mAh), takes ECG heart-rhythm readings and has a sturdier stainless steel build, while the Amazfit Active 2 Premium Round lasts longer between charges (10 days typical), is lighter to wear all day and has a sharper screen.

Display

Amazfit Active 2 Premium Round
466 × 466 pixels; 353 ppi
OPPO Watch S
464 × 464 pixels; 317 ppi

Software

Amazfit Active 2 Premium Round
Runs Zepp OS
OPPO Watch S
Runs ColorOS Watch 7.1

Battery life

Amazfit Active 2 Premium Round
270 mAh battery
OPPO Watch S
339 mAh battery

Portability

Amazfit Active 2 Premium Round
31.65 g
OPPO Watch S
35 g

Water resistance

Amazfit Active 2 Premium Round
5 ATM
OPPO Watch S
IP68 water and dust resistance

Key differences

The main differences to help you choose.

Amazfit Active 2 Premium Round

  • Longer battery life: up to 10 days in typical use (vs 7).
  • Sharper screen: 353 ppi (vs 317 ppi).
  • Lighter: 31.65 g (vs 35 g).
  • Syncs with third-party apps such as Strava and Apple Health.
  • Lower price: KSh 22,000 (vs KSh 25,000).

OPPO Watch S

  • Bigger battery: 339 mAh (vs 270 mAh).
  • ECG heart-rhythm readings.
  • Stainless steel case (vs plastic case).
  • Slimmer: 8.9 mm thick (vs 9.9 mm).

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.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityAmazfit Active 2 Premium RoundOPPO Watch S
Battery life270 mAh battery339 mAh battery
Portability31.65 g35 g
Display1.32-inch OLED display, 353 ppi1.46-inch OLED display, 317 ppi
SoftwareZepp OSColorOS Watch 7.1
Water resistance5 ATMIP68 water and dust resistance
SensorsBioTracker PPG, accelerometerAccelerometer, gyroscope

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationAmazfit Active 2 Premium RoundOPPO 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 2 Premium RoundOPPO Watch S
BluetoothBluetooth 5.2 BLEBluetooth 5.2; Classic Bluetooth and BLE
Positioning / GNSS5 satellite positioning systems; circularly polarized antennaDual-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 2 Premium RoundOPPO Watch S
BrandAmazfitOPPO
ModelAmazfit Active 2 Premium RoundOPPO Watch S
Dimensions43.9 × 43.9 × 9.9 mm without heart-rate sensor base44.98 × 44.98 × 8.9 mm, excluding lugs and optical sensor
Weight31.65 g without strap35 g without strap; 59 g with fluororubber strap; 48 g with woven strap
Build materialsStainless-steel bezel; polymer middle frameStainless-steel frame; PA with 55% fibreglass back
Wrist size150–210 mm140–210 mm
Strap / band20 mm quick-release leather; pin buckleBlack fluororubber or tri-colour woven strap; stainless-steel buckle
Controls / buttonsTwo physical buttons and touchscreen—
Announced—2025, October 16

Performance & software

Performance & software specifications comparison
SpecificationAmazfit Active 2 Premium RoundOPPO Watch S
Operating systemZepp OSColorOS Watch 7.1
Processor—BES2800BP MCU
Storage—4 GB eMMC

Audio & communication

Audio & communication specifications comparison
SpecificationAmazfit Active 2 Premium RoundOPPO Watch S
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth callingBluetooth calling

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationAmazfit Active 2 Premium RoundOPPO 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 modes164 sports modes100+ sports modes
Training & outdoor featuresZepp Coach; PeakBeats; training templates; interval training; track running; trajectory correction; virtual pacerRunning 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 2 Premium RoundOPPO Watch S
Battery capacity270 mAh339 mAh typical; 330 mAh rated
Battery life10 days typical; 5 days heavy; 19 days Battery Saver; 21 hours continuous GPSUp to 10 days maximum; 7 days typical; 4 days AOD
ChargingMagnetic charging headIntegrated watch charging cable
Water resistance5 ATM5 ATM; IP68

Compatibility

Compatibility specifications comparison
SpecificationAmazfit Active 2 Premium RoundOPPO Watch S
Phone compatibilityAndroid 7 or later; iOS 14 or laterAndroid 9 or later; iOS 14 or later
Companion appZepp—
ColorsBlack LeatherPhantom Black; Silver Gleam

Additional specifications

Additional specifications specifications comparison
SpecificationAmazfit Active 2 Premium RoundOPPO Watch S
Case materialStainless-steel bezel; polymer frameStainless steel
Pixels per inch353 ppi317 ppi
Charging timeApproximately 2 hours—
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; adidas Running; TrainingPeaks; komoot; Relive; Google Fit; Apple Health—
Peak brightness—600 nits default maximum; 1,500 nits HBM; 3,000 nits peak in supported workout modes
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

Similarities

  • Both use Bluetooth 5.2.
  • 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 OPPO Watch S if you want a bigger battery and ECG heart-rhythm readings, or the Amazfit Active 2 Premium Round if you would rather have longer battery life and a lighter watch for all-day wear.

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In-stock alternatives

Xiaomi Watch S4For Amazfit Active 2 Premium RoundXiaomi Watch S4View product ↗Huawei Watch Fit 4 ProFor Amazfit Active 2 Premium RoundHuawei Watch Fit 4 ProView product ↗OnePlus Watch LiteFor OPPO Watch SOnePlus Watch LiteView product ↗Amazfit Active 3 PremiumFor OPPO Watch SAmazfit Active 3 PremiumView product ↗

Related comparisons

Samsung Galaxy Watch FEAmazfit Active 2 Premium RoundAmazfit Active 2 Premium RoundGoogle Fitbit AirAmazFit Cheetah RoundAmazfit Active 2 Premium RoundAmazfit Active 2 Premium RoundAmazfit Active 3 PremiumAmazfit GTR 3 ProAmazfit Active 2 Premium RoundAmazFit BalanceAmazfit Active 2 Premium RoundAmazfit Helio StrapAmazfit Active 2 Premium RoundAmazfit Active MaxAmazfit Active 2 Premium RoundSamsung Galaxy Watch 6Amazfit Active 2 Premium RoundSamsung Galaxy Watch 6 ClassicAmazfit Active 2 Premium Round

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