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Wearable comparison

Samsung Galaxy Watch 6 vs Xiaomi Watch S5

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Samsung Galaxy Watch 6

Samsung Galaxy Watch 6

  • Screen: 44 mm: 480 × 480 pixels; 40 mm: 432 × 432 pixels.
  • Exynos W930 processor.
  • 2 GB RAM in this version.
  • 16 GB storage in this version.
  • Runs Wear OS 4; One UI 5 Watch.
KSh 22,500In Stock
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02
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

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2 of 4 products

Our quick verdict

The Xiaomi Watch S5 lasts longer between charges (up to 21 days), works with Android phones and iPhones and has a brighter screen for outdoor use, while the Samsung Galaxy Watch 6 takes ECG heart-rhythm readings, is lighter to wear all day and offers hypertension notifications.

Display

Samsung Galaxy Watch 6
44 mm: 480 × 480 pixels; 40 mm: 432 × 432 pixels
Xiaomi Watch S5
480 × 480 pixels, 459 ppi

Software

Samsung Galaxy Watch 6
Runs Wear OS 4; One UI 5 Watch
Xiaomi Watch S5
Runs Xiaomi HyperOS 3

Battery life

Samsung Galaxy Watch 6
Up to 40 hours per charge
Xiaomi Watch S5
815 mAh battery

Portability

Samsung Galaxy Watch 6
33.3 g
Xiaomi Watch S5
About 46 g

Connections

Samsung Galaxy Watch 6
Bluetooth 5.3
Xiaomi Watch S5
Bluetooth 5.4

Key differences

The main differences to help you choose.

Samsung Galaxy Watch 6

  • Lighter: 33.3 g (vs about 46 g).
  • ECG heart-rhythm readings.
  • Cellular option (LTE/5G models) for calls and data without your phone.
  • Blood-pressure (hypertension) notifications.
  • Slimmer: 9 mm thick (vs 10.99 mm).

Xiaomi Watch S5

  • Longer rated battery life: up to 21 days (vs 40 hours).
  • Brighter display: up to 2,500 nits (vs 2,000).
  • Works with Android phones and iPhones.
  • Newer Bluetooth 5.4 (vs 5.3).
  • Newer model: released in 2026 (vs 2023).

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.

6 priorities selected.
How each product answers the selected priorities
PrioritySamsung Galaxy Watch 6Xiaomi Watch S5
Battery lifeUp to 40 hours per charge815 mAh battery
Display1.5-inch OLED display1.48-inch OLED display, 459 ppi
SoftwareWear OS 4Xiaomi HyperOS 3
ConnectionsBluetooth 5.3Bluetooth 5.4
Battery capacity44 mm: 425 mAh815 mAh battery
Water resistanceIP68 water and dust resistance5 ATM

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationSamsung Galaxy Watch 6Xiaomi Watch S5
Display44 mm: 1.5-inch Super AMOLED; 40 mm: 1.3-inch Super AMOLED1.48-inch AMOLED
Screen resolution44 mm: 480 × 480 pixels; 40 mm: 432 × 432 pixels480 × 480 pixels, 459 ppi
Display protectionSapphire crystalDrop-resistant glass
Display features2000 nits (peak)1,500 nits HBM brightness; up to 2,500 nits peak brightness; wet-touch protection; ultra-narrow 2.6 mm bezel

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy Watch 6Xiaomi Watch S5
Network / cellularGSM / HSPA / LTENo cellular connectivity
SIM / eSIMeSIM—
Wi-FiWi-Fi 2.4 GHz + 5 GHzNot supported
BluetoothBluetooth 5.3Dual-mode Bluetooth BLE/BT 5.4
NFCSupportedSupported; payments availability varies by region
Positioning / GNSSGPS; GLONASS; BeiDou; GalileoBuilt-in dual-band five-system GNSS: GPS, Galileo, GLONASS, BeiDou and QZSS

Identity & design

Identity & design specifications comparison
SpecificationSamsung Galaxy Watch 6Xiaomi Watch S5
BrandSamsungXiaomi
ModelSamsung Galaxy Watch 6Xiaomi Watch S5 46mm
Announced2023, July 2628 May 2026
Dimensions44 mm: 42.8 × 44.4 × 9.0 mm; 40 mm: 38.8 × 40.4 × 9.0 mm46.00 × 46.00 × 10.99 mm, excluding strap and protrusions
Weight44 mm: 33.3 g; 40 mm: 28.7 g, without bandApproximately 46 g without in-box strap
Build materialsArmor Aluminum case316L stainless-steel watch body; stainless-steel, ceramic or forged-carbon bezel; glass cover
Controls / buttonsTouchscreen and physical buttonsStainless-steel rotating crown; upper and lower buttons; touchscreen
Wrist size—Black/Silver: approximately 140–210 mm; Ceramic Blue/Jungle Green: approximately 135–205 mm
Strap / band—Black/Silver: fluororubber; Ceramic Blue: genuine leather; Jungle Green: fluororubber plus nylon braided strap

Performance & software

Performance & software specifications comparison
SpecificationSamsung Galaxy Watch 6Xiaomi Watch S5
ProcessorExynos W930—
CPUDual-core 1.4 GHz—
GPUMali-G68—
RAM2 GB—
Storage16 GB—
Operating systemWear OS 4; One UI 5 WatchXiaomi HyperOS 3

Audio & communication

Audio & communication specifications comparison
SpecificationSamsung Galaxy Watch 6Xiaomi Watch S5
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth calling with a connected smartphone; standalone calling on LTE editions—

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationSamsung Galaxy Watch 6Xiaomi Watch S5
SensorsSamsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensorHeart-rate sensor with blood-oxygen sensor; accelerometer; gyroscope; ambient-light sensor; electronic compass; barometer
Health & wellness featuresHeart-rate monitoring, ECG, blood pressure, body composition, blood oxygen and skin-temperature features; availability varies by market and paired phoneHeart-rate, blood-oxygen and stress monitoring; one-tap health check
Sleep trackingSleep tracking and sleep coachingEnhanced sleep monitoring
Sports / workout modesMultiple workout modes with automatic workout detection150+ sports modes
Training & outdoor featuresGPS workout tracking and personalised heart-rate zonesAdvanced outdoor-sports tracking; upgraded cycling mode; dual-band GNSS; Bluetooth power-meter connectivity
Safety & emergency featuresFall detection and SOS features when configured—

Battery & durability

Battery & durability specifications comparison
SpecificationSamsung Galaxy Watch 6Xiaomi Watch S5
Battery capacity44 mm: 425 mAh; 40 mm: 300 mAh815 mAh lithium-ion polymer battery
Battery lifeUp to 40 hours with AOD off; 30 hours with AOD onLight use: up to 21 days; normal use: up to 14 days; AOD normal use: up to 9 days
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 6Xiaomi Watch S5
Phone compatibilityAndroid 10.0 or later; more than 1.5 GB RAMAndroid 8.0 or later; iOS 14.0 or later
Companion appGalaxy Wearable; Samsung HealthMi Fitness
Colors44 mm: Graphite, Silver; 40 mm: Graphite, GoldBlack; Silver; Ceramic Blue; Jungle Green

Additional specifications

Additional specifications specifications comparison
SpecificationSamsung Galaxy Watch 6Xiaomi Watch S5
Case materialArmor Aluminum—
Release statusAvailable. Released 2023, August 11—
Card slotNo—
CameraNo—
3.5 mm headphone jackNo—
USBNo—
RadioNo—
2G bandsGSM 850 / 900 / 1800 / 1900—
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100—
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 40, 66, 71—
Network speedHSPA, LTE—

Similarities

  • Both have NFC.
  • Both are water resistant to 50 m.
  • Both have OLED displays.
  • Both have similar screen sizes (1.5 and 1.48 inches).
  • Both connect over Bluetooth.
  • Both have 480 × 480 screens.

In summary

Get the Xiaomi Watch S5 if you want longer battery life and a choice of Android phone or iPhone, or the Samsung Galaxy Watch 6 if you would rather have ECG heart-rhythm readings and a lighter watch for all-day wear.

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In-stock alternatives

Samsung Galaxy Watch 7For Samsung Galaxy Watch 6Samsung Galaxy Watch 7View product ↗Amazfit Active 2 Premium RoundFor Samsung Galaxy Watch 6Amazfit Active 2 Premium RoundView product ↗OnePlus Watch LiteFor Xiaomi Watch S5OnePlus Watch LiteView product ↗Xiaomi Watch S4For Xiaomi Watch S5Xiaomi Watch S4View product ↗

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