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Wearable comparison

Huawei Watch Fit 4 vs Xiaomi Watch S3

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Huawei Watch Fit 4

Huawei Watch Fit 4

  • 1.82 inch screen.
  • 400 mAh battery capacity.
  • Bluetooth 5.2.
  • 5 ATM water-resistant.
  • Weighs about 27 g.
KSh 15,500In 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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2 spaces available

Huawei Watch Fit 5KSh 18,500
Fitbit Inspire 3KSh 14,000
AmazFit Active EdgeKSh 17,000
Amazfit Bip 6KSh 14,500
Amazfit Active 2 RoundKSh 16,500
Xiaomi Watch S1 ActiveKSh 16,000
Redmi Watch 5KSh 15,680
2 of 4 products

Our quick verdict

The Huawei Watch Fit 4 is lighter to wear all day and has a larger 1.82-inch, brighter screen, while the Xiaomi Watch S3 lasts longer between charges (15 days typical).

Display

Huawei Watch Fit 4
480 × 408 pixels, PPI 347
Xiaomi Watch S3
466 × 466 pixels; 326 ppi

Capacity

Huawei Watch Fit 4
400 mAh battery capacity
Xiaomi Watch S3
486 mAh battery capacity

Portability

Huawei Watch Fit 4
About 27 g
Xiaomi Watch S3
44 g

Software

Huawei Watch Fit 4
HUAWEI Health
Xiaomi Watch S3
HyperOS

Water resistance

Huawei Watch Fit 4
5 ATM water-resistant
Xiaomi Watch S3
5 ATM

Key differences

The main differences to help you choose.

Huawei Watch Fit 4

  • Larger 1.82-inch screen (vs 1.43-inch).
  • Brighter display: up to 2,000 nits (vs 600).
  • Lighter: about 27 g (vs 44 g).
  • Slimmer: 9.5 mm thick (vs 12 mm).
  • Lower price: KSh 15,500 (vs KSh 18,000).
  • Newer model: released in 2025 (vs 2023).

Xiaomi Watch S3

  • Longer battery life: up to 15 days in typical use (vs 7).
  • Bigger battery: 486 mAh (vs 400 mAh).

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
PriorityHuawei Watch Fit 4Xiaomi Watch S3
Battery life400 mAh battery486 mAh battery
PortabilityAbout 27 g44 g
Display1.82-inch OLED display1.43-inch OLED display, 60 Hz, 326 ppi
SoftwareHUAWEI HealthHyperOS
ConnectionsBluetooth 5.2Bluetooth 5.2
Water resistance5 ATM water-resistant5 ATM

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationHuawei Watch Fit 4Xiaomi Watch S3
Display1.82 inch AMOLED1.43-inch AMOLED
Screen resolution480 × 408 pixels, PPI 347466 × 466 pixels; 326 ppi
Display features2000 nits (peak)60 Hz refresh rate; always-on display; up to 600 nits brightness
Display protection—Scratch/drop-proof glass

Connectivity

Connectivity specifications comparison
SpecificationHuawei Watch Fit 4Xiaomi Watch S3
Network / cellularNo cellular connectivityBluetooth-connected smartphone
SIM / eSIMNo—
Wi-FiNoNo
Bluetooth2.4 GHz, supports BT5.2 and BR + BLEBluetooth 5.2
NFCSupportedSupported (regional availability)
Positioning / GNSSL1: GPS + GLONASS + GALILEO + BDS + QZSS; L5: GPS + GALILEO + BDS +QZSSL1+L5 dual-band GNSS; BeiDou; GPS; GLONASS; Galileo; QZSS

Identity & design

Identity & design specifications comparison
SpecificationHuawei Watch Fit 4Xiaomi Watch S3
BrandHuaweiXiaomi
ModelHuawei Watch Fit 4Xiaomi Watch S3
Announced2025, May 152023, October 28
Dimensions43.0 × 38.0 × 9.5 mm47 × 47 × 12 mm
WeightPink, Grey, White, Purple, Black; Approximately 27 g (without the strap)44 g without strap
Build materialsGlass front, aluminum frame, plastic backAluminum-alloy frame; stainless-steel bezel; Corning glass
Wrist sizePink, Purple: 120–190 mm; Grey, White, Black: 130–210 mm140–210 mm
Strap / bandPink Fluoroelastomer Strap; Grey Nylon Strap; White Fluoroelastomer Strap; Purple Fluoroelastomer Strap; Black Fluoroelastomer StrapFluororubber
Controls / buttonsHome Button (Rotating Crown) and Side ButtonRotating crown, side control, interchangeable bezel interaction, and touchscreen

Audio & communication

Audio & communication specifications comparison
SpecificationHuawei Watch Fit 4Xiaomi Watch S3
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth calling through a paired phoneBluetooth calling with a connected smartphone

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationHuawei Watch Fit 4Xiaomi Watch S3
SensorsAccelerometer sensor; Gyroscope sensor; Magnetometer sensor; Ambient light sensor; Optical heart rate sensor; Barometer sensorHeart-rate and blood-oxygen sensor; accelerometer; gyroscope; electronic compass; barometer; ambient-light sensor; Hall sensor
Health & wellness features—Heart rate, blood oxygen, stress, breathing and activity tracking; wellness data is not intended for medical diagnosis
Sleep tracking—Sleep monitoring supported
Sports / workout modes—150+ sports modes

Battery & durability

Battery & durability specifications comparison
SpecificationHuawei Watch Fit 4Xiaomi Watch S3
Battery capacityLi-Ion 400 mAh486 mAh lithium-ion polymer
Battery lifeUp to 10 days maximum; 7 days typical use; 4 days with AODUp to 15 days typical use with Android; 14.5 days with iOS; 5 days AOD use
ChargingWireless charging2-pin magnetic charging dock
Water resistance5 ATM water-resistant5 ATM

Compatibility

Compatibility specifications comparison
SpecificationHuawei Watch Fit 4Xiaomi Watch S3
Phone compatibilityAndroid 8.0 or later; iOS 13.0 or laterAndroid 8.0 or later; iOS 12.0 or later
Companion appHUAWEI HealthMi Fitness
ColorsBlack, SilverBlack, Silver, Brown

Additional specifications

Additional specifications specifications comparison
SpecificationHuawei Watch Fit 4Xiaomi Watch S3
Case materialAluminum alloyAluminum alloy
Pixels per inch347 ppi326 ppi
Peak brightness2000 nits Peak Brightness600 nits
Packing listWatch × 1; Charging Cradle (including the charging cable) × 1; Quick Start Guide & Safety Information & Warranty Card × 1Watch with bezel and strap; charging dock; user manual
Release statusAvailable. Released 2025, May 26Available. Released 2023, October 28
Model numbersSYA-B19M2323W1
Card slotNoNo
CameraNoNo
3.5 mm headphone jackNoNo
USBNoNo
RadioNoNo
Network speedNo—
Additional hardware featuresPulse wave arrhythmia analysis—
Charging input5V-9V DC/2A—
Operating temperature–20°C to +45°C—

Performance & software

Performance & software specifications comparison
SpecificationHuawei Watch Fit 4Xiaomi Watch S3
Processor—BES 2700BP
RAM—32 MB
Storage—4 GB
Operating system—HyperOS

Similarities

  • Both use Bluetooth 5.2.
  • Both have NFC.
  • Both have an aluminium case.
  • Both are water resistant to 50 m.
  • Both take calls over Bluetooth.
  • Both have OLED displays.

In summary

For most buyers the Huawei Watch Fit 4 is the better buy; the Xiaomi Watch S3 makes sense if you want longer battery life.

Back to compared products ↑

In-stock alternatives

Redmi Watch 5For Huawei Watch Fit 4Redmi Watch 5View product ↗Xiaomi Watch S1 ActiveFor Huawei Watch Fit 4Xiaomi Watch S1 ActiveView product ↗Huawei Watch Fit 5For Xiaomi Watch S3Huawei Watch Fit 5View product ↗Amazfit Active 2 RoundFor Xiaomi Watch S3Amazfit Active 2 RoundView product ↗

Related comparisons

Huawei Watch Fit 4Huawei Watch Fit 5Fitbit Inspire 3Huawei Watch Fit 4AmazFit Active EdgeHuawei Watch Fit 4Amazfit Bip 6Huawei Watch Fit 4Amazfit Active 2 RoundHuawei Watch Fit 4Xiaomi Watch S1 ActiveHuawei Watch Fit 4Redmi Watch 5Huawei Watch Fit 4Huawei Watch Fit 4 ProHuawei Watch Fit 4
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