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Wearable comparison

Samsung Galaxy Watch Ultra 2025 vs Huawei Watch 6 Pro 43 mm

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Samsung Galaxy Watch Ultra 2025

Samsung Galaxy Watch Ultra 2025

  • Screen: 480 × 480 pixels.
  • Exynos W1000, 3 nm processor.
  • 2 GB RAM in this version.
  • 64 GB storage in this version.
  • Runs Wear OS 6; One UI 8 Watch.
KSh 44,000In Stock
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02
Huawei Watch 6 Pro 43 mm

Huawei Watch 6 Pro 43 mm

  • About 50 g.
  • Screen: 466 × 466 pixels, 338 ppi.
  • Runs HarmonyOS.
  • Bluetooth 5.2 connection.
  • 5 ATM under ISO 22810:2010.
KSh 42,000Out of Stock

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2 spaces available

Samsung Galaxy Watch 9 44mmKSh 42,000
Huawei Watch GT 7 ProKSh 41,500
WHOOP Peak 5.0 SensorKSh 38,000
Samsung Galaxy Watch 9 40mmKSh 39,500
Samsung Galaxy Watch 8 ClassicKSh 38,500
Google Pixel Watch 5 41mmKSh 42,000
Google Pixel Watch 4KSh 44,500
2 of 4 products

Our quick verdict

The Huawei Watch 6 Pro 43 mm works with Android phones and iPhones, gives daily readiness scores and is lighter to wear all day, while the Samsung Galaxy Watch Ultra 2025 is swimproof to 100 m and offers hypertension notifications and 10 ATM water resistance.

Display

Samsung Galaxy Watch Ultra 2025
480 × 480 pixels
Huawei Watch 6 Pro 43 mm
466 × 466 pixels, 338 ppi

Software

Samsung Galaxy Watch Ultra 2025
Runs Wear OS 6; One UI 8 Watch
Huawei Watch 6 Pro 43 mm
Runs HarmonyOS

Connections

Samsung Galaxy Watch Ultra 2025
Bluetooth 5.3 connection
Huawei Watch 6 Pro 43 mm
Bluetooth 5.2 connection

Portability

Samsung Galaxy Watch Ultra 2025
60.5 g
Huawei Watch 6 Pro 43 mm
About 50 g

Water resistance

Samsung Galaxy Watch Ultra 2025
IP68 water and dust resistance
Huawei Watch 6 Pro 43 mm
5 ATM under ISO 22810:2010

Key differences

The main differences to help you choose.

Samsung Galaxy Watch Ultra 2025

  • Swimproof: water resistant to 100 m (vs 50 m).
  • Blood-pressure (hypertension) notifications.
  • Water resistant to 10 ATM (vs 5 ATM).

Huawei Watch 6 Pro 43 mm

  • Works with Android phones and iPhones.
  • Lighter: about 50 g (vs 60.5 g).
  • Daily readiness scores.
  • Rated for free diving to 40 m.
  • Slimmer: 10.2 mm thick (vs 12.1 mm).
  • Newer model: released in 2026 (vs 2024).

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 Ultra 2025Huawei Watch 6 Pro 43 mm
Battery lifeUp to 80 hours per chargeStandard mode: up to 3 days typical or 2 days with AOD
Portability60.5 gAbout 50 g
Display1.5-inch OLED display1.38-inch OLED display, 338 ppi
SoftwareWear OS 6HarmonyOS
ConnectionsBluetooth 5.3Bluetooth 5.2
Water resistanceIP68 water and dust resistance5 ATM under ISO 22810:2010

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2025Huawei Watch 6 Pro 43 mm
Display1.5-inch Super AMOLED1.38-inch LTPO 2.0 AMOLED
Screen resolution480 × 480 pixels466 × 466 pixels, 338 ppi
Display protectionSapphire crystalSapphire crystal
Display featuresFull-colour always-on displayUp to 3,500 nits peak brightness

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2025Huawei Watch 6 Pro 43 mm
Network / cellularGSM / HSPA / LTEGSM / HSPA / LTE (cellular model only)
SIM / eSIMeSIMeSIM (cellular model only)
Wi-FiWi-Fi 2.4 GHz + 5 GHz2.4 GHz and 5 GHz WLAN
BluetoothBluetooth 5.3Bluetooth 5.2
NFCSupportedSupported
Positioning / GNSSDual-frequency GPS, L1 + L5; GLONASS; BeiDou; GalileoGPS L1+L5 dual-band; GLONASS; BeiDou B1I+B1C+B2a tri-band; Galileo E1+E5a dual-band; QZSS L1+L5 dual-band

Identity & design

Identity & design specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2025Huawei Watch 6 Pro 43 mm
BrandSamsungHuawei
ModelSamsung Galaxy Watch Ultra 2025HUAWEI WATCH 6 Pro 43mm
Announced2024, July 102 September 2026
Dimensions47.1 × 47.4 × 12.1 mm43.5 × 43.5 × 10.2 mm
Weight60.5 g without bandApproximately 50 g (strap excluded)
Build materialsTitanium caseFront case: ceramic; rear case: ceramic
Controls / buttonsTouchscreen; Quick button; Home and Back buttons; Double Pinch gestureHome button (rotating crown) and side button
Wrist size—White: 120–180 mm; Ceramic Edition: 130–190 mm
Strap / band—White: Pure White Composite Strap; Ceramic Edition: White Ceramic Strap

Performance & software

Performance & software specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2025Huawei Watch 6 Pro 43 mm
ProcessorExynos W1000, 3 nm—
CPU5-core—
GPUMali-G68—
RAM2 GB—
Storage64 GB—
Operating systemWear OS 6; One UI 8 WatchHarmonyOS

Audio & communication

Audio & communication specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2025Huawei Watch 6 Pro 43 mm
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth calling with a connected smartphone; standalone calling on LTE editionsCellular calling via eSIM; Bluetooth calling when paired

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2025Huawei Watch 6 Pro 43 mm
SensorsSamsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensorAccelerometer; gyroscope; compass; optical heart-rate sensor; barometer; ambient-light sensor; body-temperature sensor; ECG sensor; depth sensor; X-TAP sensor
Health & wellness featuresHeart-rate monitoring, ECG, blood pressure, body composition, blood oxygen, skin temperature, Energy Score, Antioxidant Index and Vascular Load; availability varies by market and paired phoneHealth Glance with up to 14 metrics; heart rate; SpO2; body temperature; HRV; arterial stiffness detection; ECG; stress and readiness insights
Sleep trackingSleep tracking, Bedtime Guidance, sleep coaching and sleep-apnoea features where availableHUAWEI TruSleep; sleep insights; sleep breathing awareness
Sports / workout modesMultiple workout modes including multisport and automatic workout detectionGolf; snow sports; diving; cycling; additional workout modes
Training & outdoor featuresDual-frequency GPS; GPX routes; Track Back; Running Coach; personalised heart-rate zones; Functional Threshold PowerAI-powered workout analysis; Expedition mode
Safety & emergency featuresFall detection, SOS and siren features when configuredSafety Check via eSIM (availability varies by market)
Diving / depth features—Freediving to 40 m; EN 13319 diving-accessory support

Battery & durability

Battery & durability specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2025Huawei Watch 6 Pro 43 mm
Battery capacity590 mAh—
Battery lifeUp to 80 hours with Always-On Display off; up to 60 hours with Always-On Display on; up to 100 hours in Power Saving ModeStandard mode: up to 3 days typical or 2 days with AOD; Battery saver: up to 7 days maximum, 5 days typical, or 3 days with AOD
ChargingFast wireless charging, WPC-based10 W wireless fast charging with HUAWEI WATCH Wireless SuperCharger (2nd Generation USB-C); 15-minute charge provides up to one day of use; charger requirement 5–10 V DC, 2 A maximum
Water resistance10 ATM; IP685 ATM under ISO 22810:2010
Durability / certificationsMIL-STD-810HIP69 under IEC 60529:2013; EN 13319 diving-accessory standard

Compatibility

Compatibility specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2025Huawei Watch 6 Pro 43 mm
Phone compatibilityAndroid 11.0 or later; more than 1.5 GB RAMAndroid 9.0 or later; iOS 13.0 or later
Companion appGalaxy Wearable; Samsung HealthHUAWEI Health
ColorsTitanium Silver; Titanium Gray; Titanium White; Titanium BlueWhite; Ceramic Edition

Additional specifications

Additional specifications specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2025Huawei Watch 6 Pro 43 mm
Case materialTitanium—
Release statusAvailable. Released 2024, July 24—
Model numbersSM-L705F, SM-L705N, SM-L705U—
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, 14, 18, 19, 20, 25, 26, 28, 40, 66, 71—
Network speedHSPA, LTE—
SAR (EU)0.11 W/kg (head) 0.36 W/kg (body)—
NearLink—Supported

Similarities

  • Both have NFC.
  • Both take ECG readings.
  • Both take calls over Bluetooth.
  • Both have OLED displays.
  • Both support eSIM.
  • Both have similar screen sizes (1.5 and 1.38 inches).

In summary

For most buyers the Huawei Watch 6 Pro 43 mm is the better buy; the Samsung Galaxy Watch Ultra 2025 makes sense if you want a swimproof build.

Back to compared products ↑

In-stock alternatives

Google Pixel Watch 4For Samsung Galaxy Watch Ultra 2025Google Pixel Watch 4View product ↗Samsung Galaxy Watch UltraFor Samsung Galaxy Watch Ultra 2025Samsung Galaxy Watch UltraView product ↗Samsung Galaxy Watch 9 44mmFor Huawei Watch 6 Pro 43 mmSamsung Galaxy Watch 9 44mmView product ↗Huawei Watch GT 7 ProFor Huawei Watch 6 Pro 43 mmHuawei Watch GT 7 ProView product ↗

Related comparisons

Samsung Galaxy Watch Ultra 2025Samsung Galaxy Watch 9 44mmSamsung Galaxy Watch Ultra 2025Huawei Watch GT 7 ProSamsung Galaxy Watch Ultra 2025WHOOP Peak 5.0 SensorSamsung Galaxy Watch Ultra 2025Samsung Galaxy Watch 9 40mmSamsung Galaxy Watch 8 ClassicSamsung Galaxy Watch Ultra 2025Samsung Galaxy Watch Ultra 2025Google Pixel Watch 5 41mmSamsung Galaxy Watch Ultra 2025Google Pixel Watch 4AmazFit T-Rex UltraSamsung Galaxy Watch Ultra 2025Samsung Galaxy Watch UltraSamsung Galaxy Watch Ultra 2025
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