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Wearable comparison

Amazfit GTS 4 vs Xiaomi Watch S3

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Amazfit GTS 4

Amazfit GTS 4

  • Screen: 390 × 450 pixels; 341 ppi.
  • Runs Zepp OS 2.0.
  • 300 mAh battery capacity.
  • Bluetooth 5.0.
  • 5 ATM.
KSh 18,500Out of Stock
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 Charge 6KSh 20,000
AmazFit Active EdgeKSh 17,000
Amazfit GTR 3 ProKSh 20,000
Xiaomi Watch S1 ActiveKSh 16,000
Amazfit Bip 6KSh 14,500
Amazfit Active 2 RoundKSh 16,500
2 of 4 products

Our quick verdict

The Amazfit GTS 4 is lighter to wear all day, has a larger 1.75-inch screen and syncs with apps such as Strava, while the Xiaomi Watch S3 lasts longer between charges (15 days typical).

Display

Amazfit GTS 4
390 × 450 pixels; 341 ppi
Xiaomi Watch S3
466 × 466 pixels; 326 ppi

Software

Amazfit GTS 4
Runs Zepp OS 2.0
Xiaomi Watch S3
Runs HyperOS

Capacity

Amazfit GTS 4
300 mAh battery capacity
Xiaomi Watch S3
486 mAh battery capacity

Portability

Amazfit GTS 4
27 g
Xiaomi Watch S3
44 g

Connections

Amazfit GTS 4
Bluetooth 5.0
Xiaomi Watch S3
Bluetooth 5.2

Key differences

The main differences to help you choose.

Amazfit GTS 4

  • Larger 1.75-inch screen (vs 1.43-inch).
  • Lighter: 27 g (vs 44 g).
  • Slimmer: 9.9 mm thick (vs 12 mm).
  • Syncs with third-party apps such as Strava and Apple Health.

Xiaomi Watch S3

  • Longer battery life: up to 15 days in typical use (vs 8).
  • Bigger battery: 486 mAh (vs 300 mAh).
  • Newer Bluetooth 5.2 (vs 5.0).

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 GTS 4Xiaomi Watch S3
Battery life300 mAh battery486 mAh battery
Portability27 g44 g
Display1.75-inch OLED display, 341 ppi1.43-inch OLED display, 60 Hz, 326 ppi
SoftwareZepp OS 2.0HyperOS
ConnectionsBluetooth 5.0Bluetooth 5.2
SensorsBioTracker 4.0 PPG, 4 PD + 2 LEDHeart-rate and blood-oxygen sensor, accelerometer

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationAmazfit GTS 4Xiaomi Watch S3
Display1.75-inch AMOLED; always-on display1.43-inch AMOLED
Screen resolution390 × 450 pixels; 341 ppi466 × 466 pixels; 326 ppi
Display protectionTempered glass; anti-fingerprint coatingScratch/drop-proof glass
Display features—60 Hz refresh rate; always-on display; up to 600 nits brightness

Connectivity

Connectivity specifications comparison
SpecificationAmazfit GTS 4Xiaomi Watch S3
Wi-FiWi-Fi 2.4 GHzNo
BluetoothBluetooth 5.0 BLEBluetooth 5.2
Positioning / GNSSDual-band GNSS; 6 satellite positioning systemsL1+L5 dual-band GNSS; BeiDou; GPS; GLONASS; Galileo; QZSS
Network / cellular—Bluetooth-connected smartphone
NFC—Supported (regional availability)

Identity & design

Identity & design specifications comparison
SpecificationAmazfit GTS 4Xiaomi Watch S3
BrandAmazfitXiaomi
ModelAmazfit GTS 4Xiaomi Watch S3
AnnouncedSeptember 20222023, October 28
Dimensions42.7 × 36.5 × 9.9 mm without heart-rate sensor base47 × 47 × 12 mm
Weight27 g without strap44 g without strap
Build materialsAluminum-alloy middle frame; PC bottom shellAluminum-alloy frame; stainless-steel bezel; Corning glass
Wrist size140–200 mm140–210 mm
Strap / band20 mm quick-release fluororubber; pin buckleFluororubber
Controls / buttonsNavigation crown; touchscreenRotating crown, side control, interchangeable bezel interaction, and touchscreen

Performance & software

Performance & software specifications comparison
SpecificationAmazfit GTS 4Xiaomi Watch S3
Operating systemZepp OS 2.0HyperOS
Processor—BES 2700BP
RAM—32 MB
Storage—4 GB

Audio & communication

Audio & communication specifications comparison
SpecificationAmazfit GTS 4Xiaomi Watch S3
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth callingBluetooth calling with a connected smartphone

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationAmazfit GTS 4Xiaomi Watch S3
SensorsBioTracker 4.0 PPG; 4 PD + 2 LED; accelerometer; gyroscope; geomagnetic sensor; barometric altimeter; ambient lightHeart-rate and blood-oxygen sensor; accelerometer; gyroscope; electronic compass; barometer; ambient-light sensor; Hall sensor
Health & wellness features24-hour heart rate, SpO₂ and stress; one-tap measurement; PAI; breathing exercises; high and low heart-rate alerts; low SpO₂ alerts; menstrual-cycle trackingHeart rate, blood oxygen, stress, breathing and activity tracking; wellness data is not intended for medical diagnosis
Sleep trackingSleep stages including REM; naps; sleep schedule; sleep breathing quality; sleep scoreSleep monitoring supported
Sports / workout modes154 sports modes150+ sports modes
Training & outdoor featuresZepp Coach; PeakBeats; track running; trajectory correction; virtual pacer; training templates; interval training—

Battery & durability

Battery & durability specifications comparison
SpecificationAmazfit GTS 4Xiaomi Watch S3
Battery capacity300 mAh rated486 mAh lithium-ion polymer
Battery life8 days typical; 4 days heavy; 16 days Battery Saver; 30 days clock; 16 hours accurate GPS; 28 hours balanced GPS; 33 hours GPS power saverUp to 15 days typical use with Android; 14.5 days with iOS; 5 days AOD use
ChargingMagnetic charging2-pin magnetic charging dock
Water resistance5 ATM5 ATM
Durability / certificationsISO 22810:2010 5 ATM; suitable for swimming, not hot showers or sauna—

Compatibility

Compatibility specifications comparison
SpecificationAmazfit GTS 4Xiaomi Watch S3
Phone compatibilityAndroid 7 or later; iOS 12 or laterAndroid 8.0 or later; iOS 12.0 or later
Companion appZeppMi Fitness
ColorsInfinite Black; Misty White; Rosebud PinkBlack, Silver, Brown

Additional specifications

Additional specifications specifications comparison
SpecificationAmazfit GTS 4Xiaomi Watch S3
Case materialAluminum alloy; PCAluminum alloy
Pixels per inch341 ppi326 ppi
Charging timeApproximately 2 hours—
Packing listWatch with standard strap; magnetic charger; instruction manualWatch with bezel and strap; charging dock; user manual
Smart recognition25 strength-training movements; 8 sports movements—
Third-party fitness appsadidas Running; Strava; komoot; Relive; Google Fit; Apple Health—
Peak brightness—600 nits
Release status—Available. Released 2023, October 28
Model numbers—M2323W1
Card slot—No
Camera—No
3.5 mm headphone jack—No
USB—No
Radio—No

Similarities

  • 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

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

Back to compared products ↑

In-stock alternatives

Huawei Watch Fit 5For Amazfit GTS 4Huawei Watch Fit 5View product ↗Samsung Galaxy Watch FEFor Amazfit GTS 4Samsung Galaxy Watch FEView product ↗Amazfit Active 2 RoundFor Xiaomi Watch S3Amazfit Active 2 RoundView product ↗Xiaomi Watch S1 ActiveFor Xiaomi Watch S3Xiaomi Watch S1 ActiveView product ↗

Related comparisons

Amazfit GTS 4Huawei Watch Fit 5Amazfit GTS 4Fitbit Charge 6AmazFit Active EdgeAmazfit GTS 4Amazfit GTR 3 ProAmazfit GTS 4Xiaomi Watch S1 ActiveAmazfit GTS 4Amazfit GTS 4Amazfit Bip 6Amazfit GTS 4Amazfit Active 2 RoundAmazfit GTS 4Redmi Watch 5
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