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Wearable comparison

Xiaomi Watch S5 vs Xiaomi Watch S4 41mm

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Xiaomi Watch S5

Xiaomi Watch S5

  • Screen: 480 × 480 pixels, 459 ppi.
  • Runs Xiaomi HyperOS 3.
  • 815 mAh battery capacity.
  • Bluetooth 5.4.
  • 5 ATM.
KSh 25,000Out of Stock
02
Xiaomi Watch S4 41mm

Xiaomi Watch S4 41mm

  • Screen: 466 × 466 pixels; 352 ppi.
  • Runs Xiaomi HyperOS 3.
  • Bluetooth 5.4 connection.
  • 320 mAh battery capacity.
  • 5 ATM.
KSh 23,360In Stock
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Amazfit Active MaxKSh 24,000
Amazfit Active 3 PremiumKSh 24,000
OPPO Watch SKSh 25,000
OnePlus Watch LiteKSh 25,000
Xiaomi Watch S4KSh 21,940
Xiaomi Watch S1KSh 28,290
Google Pixel Watch 2KSh 26,500
2 of 4 products

Our quick verdict

The Xiaomi Watch S5 lasts longer between charges (up to 21 days) and has a larger 1.48-inch, sharper, brighter screen, while the Xiaomi Watch S4 41mm is lighter to wear all day and takes calls from the wrist.

Display

Xiaomi Watch S5
480 × 480 pixels, 459 ppi
Xiaomi Watch S4 41mm
466 × 466 pixels; 352 ppi

Capacity

Xiaomi Watch S5
815 mAh battery capacity
Xiaomi Watch S4 41mm
320 mAh battery capacity

Portability

Xiaomi Watch S5
About 46 g
Xiaomi Watch S4 41mm
About 32 g

Sensors

Xiaomi Watch S5
Heart-rate sensor with blood-oxygen sensor
Xiaomi Watch S4 41mm
Heart-rate and blood-oxygen sensor, accelerometer

Sleep tracking

Xiaomi Watch S5
Enhanced sleep monitoring
Xiaomi Watch S4 41mm
Sleep tracking, sleep trend reports and supported improvement plan

Key differences

The main differences to help you choose.

Xiaomi Watch S5

  • Longer rated battery life: up to 21 days (vs 8 days).
  • Bigger battery: 815 mAh (vs 320 mAh).
  • Sharper screen: 459 ppi (vs 352 ppi).
  • Larger 1.48-inch screen (vs 1.32-inch).
  • Brighter display: up to 2,500 nits (vs 1,500).

Xiaomi Watch S4 41mm

  • Lighter: about 32 g (vs about 46 g).
  • Slimmer: 9.5 mm thick (vs 10.99 mm).
  • Takes calls from the wrist over Bluetooth.

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
PriorityXiaomi Watch S5Xiaomi Watch S4 41mm
Battery life815 mAh battery320 mAh battery
PortabilityAbout 46 gAbout 32 g
Display1.48-inch OLED display, 459 ppi1.32-inch OLED display, 60 Hz, 352 ppi
SoftwareXiaomi HyperOS 3Xiaomi HyperOS 3
ConnectionsBluetooth 5.4Bluetooth 5.4
SensorsHeart-rate sensor with blood-oxygen sensorHeart-rate and blood-oxygen sensor, accelerometer

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationXiaomi Watch S5Xiaomi Watch S4 41mm
Display1.48-inch AMOLED1.32-inch AMOLED
Screen resolution480 × 480 pixels, 459 ppi466 × 466 pixels; 352 ppi
Display protectionDrop-resistant glassScratch/drop-proof glass
Display features1,500 nits HBM brightness; up to 2,500 nits peak brightness; wet-touch protection; ultra-narrow 2.6 mm bezel60 Hz refresh rate; up to 1,500 nits HBM

Connectivity

Connectivity specifications comparison
SpecificationXiaomi Watch S5Xiaomi Watch S4 41mm
Network / cellularNo cellular connectivityNo cellular connectivity
Wi-FiNot supportedNo
BluetoothDual-mode Bluetooth BLE/BT 5.4Bluetooth 5.4
NFCSupported; payments availability varies by regionYes (market/region dependent)
Positioning / GNSSBuilt-in dual-band five-system GNSS: GPS, Galileo, GLONASS, BeiDou and QZSSGPS; Galileo; GLONASS; BeiDou; QZSS
SIM / eSIM—No

Identity & design

Identity & design specifications comparison
SpecificationXiaomi Watch S5Xiaomi Watch S4 41mm
BrandXiaomiXiaomi
ModelXiaomi Watch S5 46mmXiaomi Watch S4 41mm
Announced28 May 20262025, June 26
Dimensions46.00 × 46.00 × 10.99 mm, excluding strap and protrusions41.2 × 41.2 × 9.5 mm, excluding strap and protrusions
WeightApproximately 46 g without in-box strapApproximately 32 g without strap
Build materials316L stainless-steel watch body; stainless-steel, ceramic or forged-carbon bezel; glass coverStainless-steel frame
Wrist sizeBlack/Silver: approximately 140–210 mm; Ceramic Blue/Jungle Green: approximately 135–205 mm120–190 mm (black, mint green, white); 130–190 mm (sunset gold)
Strap / bandBlack/Silver: fluororubber; Ceramic Blue: genuine leather; Jungle Green: fluororubber plus nylon braided strapFluororubber (black, mint green); leather (white); Milanese (sunset gold)
Controls / buttonsStainless-steel rotating crown; upper and lower buttons; touchscreenRotatable crown and lower button

Performance & software

Performance & software specifications comparison
SpecificationXiaomi Watch S5Xiaomi Watch S4 41mm
Operating systemXiaomi HyperOS 3Xiaomi HyperOS 3

Audio & communication

Audio & communication specifications comparison
SpecificationXiaomi Watch S5Xiaomi Watch S4 41mm
SpeakerSupportedSupported
MicrophoneSupported1 microphone
Calling—Bluetooth calling with a connected smartphone

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationXiaomi Watch S5Xiaomi Watch S4 41mm
SensorsHeart-rate sensor with blood-oxygen sensor; accelerometer; gyroscope; ambient-light sensor; electronic compass; barometerHeart-rate and blood-oxygen sensor; accelerometer; gyroscope; ambient-light sensor; electronic compass; barometer; temperature sensor
Health & wellness featuresHeart-rate, blood-oxygen and stress monitoring; one-tap health checkHeart rate, blood oxygen, stress and skin-temperature monitoring; supported cycle predictions; general wellness information
Sleep trackingEnhanced sleep monitoringSleep tracking, sleep trend reports and supported improvement plan
Sports / workout modes150+ sports modes150+ sports modes
Training & outdoor featuresAdvanced outdoor-sports tracking; upgraded cycling mode; dual-band GNSS; Bluetooth power-meter connectivityWorkout reports; training effects, load and recovery; BLE heart-rate broadcasting to compatible bike computers
Safety & emergency features—Emergency SOS and supported skiing fall detection require prior setup, emergency contacts and connected Mi Fitness app; detection is not guaranteed; SMS and location features depend on supported phone OS

Battery & durability

Battery & durability specifications comparison
SpecificationXiaomi Watch S5Xiaomi Watch S4 41mm
Battery capacity815 mAh lithium-ion polymer battery320 mAh
Battery lifeLight use: up to 21 days; normal use: up to 14 days; AOD normal use: up to 9 daysUp to 8 days light use; 4 days normal use; 3 days heavy use
Charging2-pin magnetic charging dock2-pin magnetic charging dock
Water resistance5 ATM5 ATM

Compatibility

Compatibility specifications comparison
SpecificationXiaomi Watch S5Xiaomi Watch S4 41mm
Phone compatibilityAndroid 8.0 or later; iOS 14.0 or laterAndroid 8.0 or later; iOS 14.0 or later
Companion appMi FitnessMi Fitness
ColorsBlack; Silver; Ceramic Blue; Jungle GreenBlack; mint green; white; sunset gold

Additional specifications

Additional specifications specifications comparison
SpecificationXiaomi Watch S5Xiaomi Watch S4 41mm
Case material—Stainless steel
Watch weight without strap—Approximately 32g without strap
Pixels per inch—352 ppi
Peak brightness—1,500 nits HBM
Cover / touchscreen—AMOLED touchscreen
Heavy-use battery life—Up to 3 days under manufacturer heavy-use tests
Packing list—Watch; magnetic charging dock; user manual
Display—1.32-inch AMOLED; 466 × 466; 352ppi
Brightness / refresh—Up to 1500nits HBM full screen; up to 60Hz depending on interface
Size / weight—41.2 × 41.2 × 9.5mm; approximately 32g without strap
Strap options—Black / Mint Green: fluororubber; White: leather; Sunset Gold: Milanese
Wrist fit—Black, Mint Green and White: approximately 120–190mm; Sunset Gold: approximately 130–190mm
Battery—320mAh; up to 8 days light / 4 days normal / 3 days heavy under tests
Positioning—Five-system independent dual-frequency L1 + L5 GNSS
Wireless / calls—Bluetooth 5.4; connected-phone calls
System / app—Xiaomi HyperOS 3; Mi Fitness
Phone compatibility—Android 8.0+; iOS 14.0+
Water resistance—5ATM; appropriate shallow-water use; no hot showers, saunas or diving; protect leather strap from water
Package—One Xiaomi Watch S4 41mm with selected strap, magnetic charging dock, user manual including warranty notice
Release status—Available. Released 2025, June 26
Model numbers—M2502W1
Card slot—No
Camera—No
3.5 mm headphone jack—No
USB—No
Radio—No
2G bands—Not applicable
3G bands——
4G bands——

Similarities

  • Both use Bluetooth 5.4.
  • Both have NFC.
  • Both have a stainless steel case.
  • Both are water resistant to 50 m.
  • Both have OLED displays.
  • Both run Xiaomi HyperOS 3.

In summary

For most buyers the Xiaomi Watch S5 is the better buy; the Xiaomi Watch S4 41mm makes sense if you want a lighter watch for all-day wear.

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In-stock alternatives

OnePlus Watch LiteFor Xiaomi Watch S5OnePlus Watch LiteView product ↗OPPO Watch SFor Xiaomi Watch S5OPPO Watch SView product ↗Amazfit Active MaxFor Xiaomi Watch S4 41mmAmazfit Active MaxView product ↗Amazfit Active 3 PremiumFor Xiaomi Watch S4 41mmAmazfit Active 3 PremiumView product ↗

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