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Wearable comparison

Samsung Galaxy Watch FE vs Xiaomi Watch S3

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Samsung Galaxy Watch FE

Samsung Galaxy Watch FE

  • Screen: 396 × 396 pixels.
  • Exynos W920 processor.
  • 1.5 GB RAM in this version.
  • 16 GB storage in this version.
  • Runs Wear OS 4; One UI 5 Watch.
KSh 19,500In 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
Amazfit GTR 3 ProKSh 20,000
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Samsung Galaxy Watch 6 ClassicKSh 22,500
Samsung Galaxy Watch 7KSh 22,500
Huawei Watch GT 5KSh 21,500
Fitbit Charge 6KSh 20,000
2 of 4 products

Our quick verdict

The Xiaomi Watch S3 lasts longer between charges (up to 15 days), works with Android phones and iPhones and has a larger 1.43-inch, sharper screen, while the Samsung Galaxy Watch FE takes ECG heart-rhythm readings, is lighter to wear all day and has more storage (16 GB).

Display

Samsung Galaxy Watch FE
396 × 396 pixels
Xiaomi Watch S3
466 × 466 pixels; 326 ppi

Performance

Samsung Galaxy Watch FE
Exynos W920 processor
Xiaomi Watch S3
BES 2700BP processor

Storage

Samsung Galaxy Watch FE
16 GB storage in this version
Xiaomi Watch S3
4 GB storage in this version

Software

Samsung Galaxy Watch FE
Runs Wear OS 4; One UI 5 Watch
Xiaomi Watch S3
Runs HyperOS

Connections

Samsung Galaxy Watch FE
Bluetooth 5.3 connection
Xiaomi Watch S3
Bluetooth 5.2 connection

Key differences

The main differences to help you choose.

Samsung Galaxy Watch FE

  • Lighter: 26.6 g (vs 44 g).
  • ECG heart-rhythm readings.
  • More storage: 16 GB (vs 4 GB).
  • Slimmer: 9.8 mm thick (vs 12 mm).

Xiaomi Watch S3

  • Longer rated battery life: up to 15 days (vs 40 hours).
  • Bigger battery: 486 mAh (vs 247 mAh).
  • Larger 1.43-inch screen (vs 1.2-inch).
  • Works with Android phones and iPhones.
  • Higher screen resolution: 466 × 466 (vs 396 × 396).
  • Lower price: KSh 18,000 (vs KSh 19,500).

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
PrioritySamsung Galaxy Watch FEXiaomi Watch S3
Battery lifeUp to 40 hours per charge486 mAh battery
Storage16 GB storage4 GB storage
Display1.2-inch OLED display1.43-inch OLED display, 60 Hz, 326 ppi
PerformanceExynos W920 processorBES 2700BP processor
Memory1.5 GB RAM32 MB
Battery capacity247 mAh battery486 mAh battery

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationSamsung Galaxy Watch FEXiaomi Watch S3
Display1.2-inch Super AMOLED1.43-inch AMOLED
Screen resolution396 × 396 pixels466 × 466 pixels; 326 ppi
Display protectionSapphire crystalScratch/drop-proof glass
Display featuresFull-colour Always-On Display60 Hz refresh rate; always-on display; up to 600 nits brightness

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy Watch FEXiaomi Watch S3
Network / cellularGSM / HSPA / LTEBluetooth-connected smartphone
SIM / eSIMeSIM—
Wi-FiWi-Fi 2.4 GHz + 5 GHzNo
BluetoothBluetooth 5.3Bluetooth 5.2
NFCSupportedSupported (regional availability)
Positioning / GNSSGPS; GLONASS; BeiDou; GalileoL1+L5 dual-band GNSS; BeiDou; GPS; GLONASS; Galileo; QZSS

Identity & design

Identity & design specifications comparison
SpecificationSamsung Galaxy Watch FEXiaomi Watch S3
BrandSamsungXiaomi
ModelSamsung Galaxy Watch FEXiaomi Watch S3
Announced2024, June 132023, October 28
Dimensions39.3 × 40.4 × 9.8 mm47 × 47 × 12 mm
Weight26.6 g without band44 g without strap
Build materialsAluminum caseAluminum-alloy frame; stainless-steel bezel; Corning glass
Controls / buttonsTouchscreen and physical buttonsRotating crown, side control, interchangeable bezel interaction, and touchscreen
Wrist size—140–210 mm
Strap / band—Fluororubber

Performance & software

Performance & software specifications comparison
SpecificationSamsung Galaxy Watch FEXiaomi Watch S3
ProcessorExynos W920BES 2700BP
CPUDual-core 1.18 GHz—
GPUMali-G68—
RAM1.5 GB32 MB
Storage16 GB4 GB
Operating systemWear OS 4; One UI 5 WatchHyperOS

Audio & communication

Audio & communication specifications comparison
SpecificationSamsung Galaxy Watch FEXiaomi Watch S3
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth calling with a connected smartphone; standalone calling on LTE editionsBluetooth calling with a connected smartphone

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationSamsung Galaxy Watch FEXiaomi Watch S3
SensorsSamsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; accelerometer; barometer; gyroscope; geomagnetic; light sensorHeart-rate and blood-oxygen sensor; accelerometer; gyroscope; electronic compass; barometer; ambient-light sensor; Hall sensor
Health & wellness featuresHeart-rate monitoring, ECG, body composition and wellness features; availability varies by market and paired phoneHeart rate, blood oxygen, stress, breathing and activity tracking; wellness data is not intended for medical diagnosis
Sleep trackingSleep tracking and sleep coachingSleep monitoring supported
Sports / workout modesMultiple workout modes with automatic workout detection150+ sports modes
Training & outdoor featuresGPS workout tracking—
Safety & emergency featuresFall detection and SOS features when configured—

Battery & durability

Battery & durability specifications comparison
SpecificationSamsung Galaxy Watch FEXiaomi Watch S3
Battery capacity247 mAh486 mAh lithium-ion polymer
Battery lifeUp to 40 hours with Always-On Display offUp to 15 days typical use with Android; 14.5 days with iOS; 5 days AOD use
ChargingFast wireless charging, WPC-based2-pin magnetic charging dock
Water resistance5 ATM; IP685 ATM
Durability / certificationsMIL-STD-810H—

Compatibility

Compatibility specifications comparison
SpecificationSamsung Galaxy Watch FEXiaomi Watch S3
Phone compatibilityAndroid 11.0 or later; more than 1.5 GB RAMAndroid 8.0 or later; iOS 12.0 or later
Companion appGalaxy Wearable; Samsung HealthMi Fitness
ColorsBlack; Pink Gold; SilverBlack, Silver, Brown

Additional specifications

Additional specifications specifications comparison
SpecificationSamsung Galaxy Watch FEXiaomi Watch S3
Case materialAluminumAluminum alloy
Release statusAvailable. Released 2024, June 24Available. Released 2023, October 28
Model numbersSM-R861, SM-R866M2323W1
Card slotNoNo
CameraNoNo
3.5 mm headphone jackNoNo
USBNoNo
RadioNoNo
2G bandsGSM 850 / 900 / 1800 / 1900—
3G bandsHSDPA 850 / 900 / 2100—
4G bandsLTE—
Network speedHSPA, LTE—
SAR (EU)0.52 W/kg (head) 0.17 W/kg (body)—
Pixels per inch—326 ppi
Peak brightness—600 nits
Packing list—Watch with bezel and strap; charging dock; user manual

Similarities

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

In summary

Get the Xiaomi Watch S3 if you want longer battery life and a choice of Android phone or iPhone, or the Samsung Galaxy Watch FE if you would rather have ECG heart-rhythm readings and a lighter watch for all-day wear.

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In-stock alternatives

Huawei Watch Fit 5For Samsung Galaxy Watch FEHuawei Watch Fit 5View product ↗Huawei Watch GT 5For Samsung Galaxy Watch FEHuawei Watch GT 5View product ↗Amazfit Active 2 RoundFor Xiaomi Watch S3Amazfit Active 2 RoundView product ↗

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