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Wearable comparison

Xiaomi Watch S1 vs Xiaomi Watch S3

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Xiaomi Watch S1 Active

Xiaomi Watch S1 Active

  • Screen: 466 × 466 pixels.
  • Runs Proprietary OS.
  • Wi-Fi 4 support.
  • 470 mAh battery capacity.
  • 5 ATM.
KSh 16,000In Stock
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02
Xiaomi Watch S3

Xiaomi Watch S3

  • Screen: 466 × 466 pixels; 326 ppi.
  • BES 2700BP processor.
  • 4 GB storage in this version.
  • Runs HyperOS.
  • Bluetooth 5.2 connection.
KSh 18,000In Stock
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Huawei Watch Fit 5KSh 18,500
Fitbit Inspire 3KSh 14,000
AmazFit Active EdgeKSh 17,000
Amazfit GTS 4KSh 18,500
Amazfit Bip 6KSh 14,500
Amazfit Active 2 RoundKSh 16,500
Huawei Watch Fit 4KSh 15,500
2 of 4 products

Our quick verdict

The Xiaomi Watch S3 lasts longer between charges (15 days typical) and has a sturdier aluminium build, while the Xiaomi Watch S1 Active is lighter to wear all day.

Display

Xiaomi Watch S1 Active
466 × 466 pixels
Xiaomi Watch S3
466 × 466 pixels; 326 ppi

Software

Xiaomi Watch S1 Active
Runs Proprietary OS
Xiaomi Watch S3
Runs HyperOS

Capacity

Xiaomi Watch S1 Active
470 mAh battery capacity
Xiaomi Watch S3
486 mAh battery capacity

Portability

Xiaomi Watch S1 Active
36 g
Xiaomi Watch S3
44 g

Connections

Xiaomi Watch S1 Active
Wi-Fi 4, Bluetooth 5.2
Xiaomi Watch S3
Bluetooth 5.2

Key differences

The main differences to help you choose.

Xiaomi Watch S1 Active

  • Lighter: 36 g (vs 44 g).
  • Slimmer: 11 mm thick (vs 12 mm).
  • Charging: Magnetic charging cable.

Xiaomi Watch S3

  • Longer battery life: up to 15 days in typical use (vs 12).
  • Aluminium case (vs plastic case).
  • Charging: 2-pin magnetic charging dock.

What matters most to you?

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

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6 priorities selected.
How each product answers the selected priorities
PriorityXiaomi Watch S1 ActiveXiaomi Watch S3
Battery life470 mAh battery486 mAh battery
Portability36 g44 g
Display1.43-inch OLED display1.43-inch OLED display, 60 Hz, 326 ppi
SoftwareProprietary OSHyperOS
ConnectionsWi-Fi 4, Bluetooth 5.2Bluetooth 5.2
Sleep trackingNight sleep and supported napsSleep monitoring supported

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationXiaomi Watch S1 ActiveXiaomi Watch S3
Display1.43-inch AMOLED1.43-inch AMOLED
Screen resolution466 × 466 pixels466 × 466 pixels; 326 ppi
Display featuresCustomisable watch faces60 Hz refresh rate; always-on display; up to 600 nits brightness
Display protection—Scratch/drop-proof glass

Connectivity

Connectivity specifications comparison
SpecificationXiaomi Watch S1 ActiveXiaomi Watch S3
Network / cellularNo cellular connectivityBluetooth-connected smartphone
SIM / eSIMNo—
Wi-FiIEEE 802.11b/g/n, 2.4 GHzNo
BluetoothBluetooth 5.2Bluetooth 5.2
NFCYesSupported (regional availability)
Positioning / GNSSGPS; GLONASS; Galileo; BeiDou; QZSSL1+L5 dual-band GNSS; BeiDou; GPS; GLONASS; Galileo; QZSS

Identity & design

Identity & design specifications comparison
SpecificationXiaomi Watch S1 ActiveXiaomi Watch S3
BrandXiaomiXiaomi
ModelXiaomi Watch S1 ActiveXiaomi Watch S3
Announced2022, March 152023, October 28
Dimensions46.5 × 47.3 × 11 mm, excluding strap and protrusions47 × 47 × 12 mm
Weight36 (1.27 oz)44 g without strap
Build materialsGlass-fibre-reinforced polyamide frameAluminum-alloy frame; stainless-steel bezel; Corning glass
Wrist size160–220 mm140–210 mm
Strap / bandWhite silicone; black or blue TPUFluororubber
Controls / buttonsTouchscreen and side buttons; lower button supports configured emergency contact shortcutRotating crown, side control, interchangeable bezel interaction, and touchscreen

Performance & software

Performance & software specifications comparison
SpecificationXiaomi Watch S1 ActiveXiaomi Watch S3
Operating systemProprietary OSHyperOS
Processor—BES 2700BP
RAM—32 MB
Storage—4 GB

Audio & communication

Audio & communication specifications comparison
SpecificationXiaomi Watch S1 ActiveXiaomi Watch S3
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth calling through a connected compatible smartphoneBluetooth calling with a connected smartphone

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationXiaomi Watch S1 ActiveXiaomi Watch S3
SensorsHeart-rate and blood-oxygen sensor; accelerometer; gyroscope; geomagnetic sensor; atmospheric-pressure sensor; ambient-light sensorHeart-rate and blood-oxygen sensor; accelerometer; gyroscope; electronic compass; barometer; ambient-light sensor; Hall sensor
Health & wellness featuresHeart rate, blood oxygen, stress and supported cycle tracking; general wellness information; selected continuous monitoring and alerts require enablingHeart rate, blood oxygen, stress, breathing and activity tracking; wellness data is not intended for medical diagnosis
Sleep trackingNight sleep and supported naps; detailed stage data excluded for short naps under three hoursSleep monitoring supported
Sports / workout modes117 fitness modes including 19 professional modes; firmware-dependent150+ sports modes
Training & outdoor featuresOutdoor route recording with independent dual-band GNSS; supported fitness records—
Safety & emergency featuresTriple-press lower side button to call previously configured emergency contact; requires connected phone and prior app setup—

Battery & durability

Battery & durability specifications comparison
SpecificationXiaomi Watch S1 ActiveXiaomi Watch S3
Battery capacity470 mAh486 mAh lithium-ion polymer
Battery lifeUp to 12 days typical use or 24 days battery saver in manufacturer testing; actual life variesUp to 15 days typical use with Android; 14.5 days with iOS; 5 days AOD use
ChargingMagnetic charging cable2-pin magnetic charging dock
Water resistance5 ATM5 ATM

Compatibility

Compatibility specifications comparison
SpecificationXiaomi Watch S1 ActiveXiaomi Watch S3
Phone compatibilityAndroid 6.0 or later; iOS 10.0 or laterAndroid 8.0 or later; iOS 12.0 or later
Companion appMi FitnessMi Fitness
ColorsMoon White; Ocean Blue; Space BlackBlack, Silver, Brown

Additional specifications

Additional specifications specifications comparison
SpecificationXiaomi Watch S1 ActiveXiaomi Watch S3
Case materialGlass-fibre-reinforced polyamideAluminum alloy
Watch weight without strapApproximately 36.3g watch body—
Accuracy GPS battery lifeUp to 30 hours in GPS mode under manufacturer tests—
Charging timeApproximately 2.5 hours under manufacturer test conditions—
Bluetooth and Wi-FiBluetooth 5.2; Wi-Fi IEEE 802.11b/g/n 2.4GHz—
Packing listWatch; magnetic charging cable; user manual; warranty noticeWatch with bezel and strap; charging dock; user manual
Release statusAvailable. Released 2022, March 24Available. Released 2023, October 28
Card slotNoNo
CameraNoNo
3.5 mm headphone jackNoNo
USBNoNo
RadioNoNo
Network speedNo—
Pixels per inch—326 ppi
Peak brightness—600 nits
Model numbers—M2323W1

Similarities

  • Both have NFC.
  • Both are water resistant to 50 m.
  • Both take calls over Bluetooth.
  • Both have OLED displays.
  • Both have 1.43-inch screens.
  • Both connect over Bluetooth.

In summary

For most buyers the Xiaomi Watch S3 is the better buy; the Xiaomi Watch S1 Active makes sense if you want a lighter watch for all-day wear.

Back to compared products ↑

In-stock alternatives

Redmi Watch 5For Xiaomi Watch S1 ActiveRedmi Watch 5View product ↗Amazfit Active 2 RoundFor Xiaomi Watch S1 ActiveAmazfit Active 2 RoundView product ↗Huawei Watch Fit 5For Xiaomi Watch S3Huawei Watch Fit 5View product ↗Huawei Watch Fit 4For Xiaomi Watch S3Huawei Watch Fit 4View product ↗

Related comparisons

Xiaomi Watch S1 ActiveHuawei Watch Fit 5Xiaomi Watch S1 ActiveFitbit Inspire 3AmazFit Active EdgeXiaomi Watch S1 ActiveXiaomi Watch S1 ActiveAmazfit GTS 4Xiaomi Watch S1 ActiveAmazfit Bip 6Xiaomi Watch S1 ActiveAmazfit Active 2 RoundXiaomi Watch S1 ActiveHuawei Watch Fit 4Xiaomi Watch S1 ActiveRedmi Watch 5
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