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Wearable comparison

Samsung Galaxy Watch Ultra 2 47mm vs Huawei Watch D3

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Samsung Galaxy Watch Ultra 2 47mm

Samsung Galaxy Watch Ultra 2 47mm

  • Screen: 498 × 498 pixels.
  • Qualcomm Snapdragon Wear Elite, 3 nm processor.
  • 2 GB RAM in this version.
  • 64 GB storage in this version.
  • Runs Wear OS 7; One UI 9 Watch.
KSh 62,000In Stock
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02
Huawei Watch D3

Huawei Watch D3

  • 40 g.
  • 1.92 inch screen.
  • Unspecified processor.
  • Runs HarmonyOS.
  • Unspecified.
KSh 75,000Out of Stock

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2 spaces available

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2 of 4 products

Our quick verdict

The Huawei Watch D3 takes cuff-based blood-pressure readings, works with Android phones and iPhones and is lighter to wear all day, though it is not water-resistant, while the Samsung Galaxy Watch Ultra 2 47mm is swimproof to 100 m and has a brighter, sharper screen and a premium titanium build.

Display

Samsung Galaxy Watch Ultra 2 47mm
498 × 498 pixels
Huawei Watch D3
408 × 480 pixels, PPI 328

Performance

Samsung Galaxy Watch Ultra 2 47mm
Qualcomm Snapdragon Wear Elite, 3 nm processor
Huawei Watch D3
Unspecified processor

Software

Samsung Galaxy Watch Ultra 2 47mm
Runs Wear OS 7; One UI 9 Watch
Huawei Watch D3
Runs HarmonyOS

Portability

Samsung Galaxy Watch Ultra 2 47mm
61.5 g
Huawei Watch D3
40 g

Connections

Samsung Galaxy Watch Ultra 2 47mm
Bluetooth 5.3
Huawei Watch D3
Bluetooth 6.0

Key differences

The main differences to help you choose.

Samsung Galaxy Watch Ultra 2 47mm

  • Brighter display: up to 5,000 nits (vs 3,000).
  • Swimproof: water resistant to 100 m (the other is not water-resistant).
  • Titanium case (vs aluminium case and plastic back).
  • Automatic depth, dive-time and water-temperature tracking.
  • Higher screen resolution: 498 × 498 (vs 408 × 480).
  • Cellular option (LTE/5G models) for calls and data without your phone.

Huawei Watch D3

  • Cuff-based blood-pressure readings (built-in pump and inflatable strap).
  • Larger 1.92-inch screen (vs 1.52-inch).
  • Works with Android phones and iPhones.
  • Lighter: 40 g (vs 61.5 g).
  • Newer Bluetooth 6.0 (vs 5.3).

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 2 47mmHuawei Watch D3
Battery lifeUp to 60 hours per chargeLasts up to 6 days in typical use or 1 day with ABPM enabled
Display1.52-inch OLED display1.92-inch display
PerformanceQualcomm Snapdragon Wear Elite processorUnspecified processor
Memory2 GB RAMUnspecified
Storage64 GB storageUnspecified
Water resistance10 ATMNo official water-resistance rating

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2 47mmHuawei Watch D3
Display1.52-inch Super AMOLED1.92 inches
Screen resolution498 × 498 pixels408 × 480 pixels, PPI 328
Display protectionSapphire crystal—
Display features5000 nits (peak)AMOLED, 3000 nits (peak)

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2 47mmHuawei Watch D3
Network / cellularGSM / HSPA / LTENo cellular connectivity
SIM / eSIMeSIMNo cellular connectivity
Wi-FiWi-Fi 2.4 GHz + 5 GHzNo Wi-Fi connectivity
BluetoothBluetooth 5.32.4 GHz, Bluetooth 6.0 supporting BR and BLE
NFCSupportedYes (market/region dependent)
Positioning / GNSSDual-frequency GPS, L1 + L5GPS
Ultra Wideband (UWB)—No
Satellite features—No

Identity & design

Identity & design specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2 47mmHuawei Watch D3
BrandSamsungHuawei
ModelSamsung Galaxy Watch Ultra 2 47mmWatch D3
Announced2026, July 222026, September 02
Dimensions47.4 × 47.1 × 10.7 mm46.5 x 41 x 11.3 mm (1.83 x 1.61 x 0.44 in)
Weight61.5 g without band40 g (1.41 oz)
Build materialsTitanium caseGlass front, aluminum frame, plastic back
Strap / bandMarine silicone; PeakForm hybrid; Trail fabricSand Composite Leather Strap White Composite Leather Strap Black HNBR Strap
Controls / buttonsTouchscreen; Home and Back buttons; customizable Quick ButtonRotating crown Function and ECG button
Wrist size—130-210 mm M-sized strap 130-160 mm L-sized strap 161-210 mm Strap width 25.5 mm

Performance & software

Performance & software specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2 47mmHuawei Watch D3
ProcessorQualcomm Snapdragon Wear Elite, 3 nmUnspecified
CPU5-coreUnspecified
RAM2 GBUnspecified
Storage64 GBUnspecified
Operating systemWear OS 7; One UI 9 WatchHarmonyOS
GPU—Unspecified

Audio & communication

Audio & communication specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2 47mmHuawei Watch D3
SpeakerSupportedYes
MicrophoneSupportedYes
CallingBluetooth calling with a connected smartphone; standalone calling on LTE editionsYes

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2 47mmHuawei Watch D3
SensorsSamsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensor9-axis IMU sensor (Accelerometer sensor, Gyroscope sensor, Magnetometer sensor) Optical heart rate sensor ECG sensor Ambient light sensor Barometer sensor Temperature sensor Differential pressure sensor Hall sensor
Health & wellness featuresHeart rate; SpO₂; ECG; body composition; temperature; stress; Vitals; Heart Health ScoreYes
Sleep trackingSleep-stage tracking; sleep-apnea risk detection; sleep VitalsYes
Sports / workout modesRunning; trail running; cycling; swimming; multisport and other automatic/manual workouts100+ workout modes
Training & outdoor featuresDaily Cardio Load; Fitness Index; workout and recovery guidanceYes
Safety & emergency features86 dB safety siren; automatic Fall Detection; Emergency SOS by five Home-button pressesNo
Diving / depth featuresAutomatic depth, dive-time and water-temperature trackingNo

Battery & durability

Battery & durability specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2 47mmHuawei Watch D3
Battery capacity800 mAh—
Battery lifeUp to 60 hours with AOD onlasts up to 6 days in typical use or 1 day with ABPM enabled.
ChargingFast wireless charging, WPC-basedWireless charging
Water resistance10 ATM; IP69KNot water-resistant
Durability / certificationsMIL-STD-810H; EN13319Blood Pressure Measurement & ECG with built-in pump & inflatable strap ECG certified Medical-grade and ambulatory blood pressure monitoring

Compatibility

Compatibility specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2 47mmHuawei Watch D3
Phone compatibilityAndroid 13.0 or later; more than 1.5 GB RAM; Google Mobile ServicesAndroid 8.0 or later iOS 13.0 or later
Companion appGalaxy Wearable; Samsung HealthHuawei Health App
ColorsTitanium Silver; Titanium GrayMocha Gold, Gold, Black

Additional specifications

Additional specifications specifications comparison
SpecificationSamsung Galaxy Watch Ultra 2 47mmHuawei Watch D3
Case materialTitanium—
Peak brightness5,000 nits peak—
Charging time100% in 90 minutes; 40% in 30 minutes—
Release statusAvailable. Released 2026, August 07—
Model numbersSM-L715F, SM-L715U—
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, 34, 38, 39, 40, 41, 66, 71—
Network speedHSPA, LTE—
SAR (US)0.44 W/kg (body)—
SAR (EU)0.42 W/kg (body)—

Similarities

  • Both have NFC.
  • Both take ECG readings.
  • Both take calls over Bluetooth.
  • Both connect over Bluetooth.

In summary

Get the Huawei Watch D3 if you want cuff-based blood-pressure readings and a choice of Android phone or iPhone, or the Samsung Galaxy Watch Ultra 2 47mm if you would rather have a swimproof build and a brighter, sharper screen.

Back to compared products ↑

In-stock alternatives

Google Pixel Watch 5 45mmFor Samsung Galaxy Watch Ultra 2 47mmGoogle Pixel Watch 5 45mmView product ↗Apple Watch Series 12 42mmFor Samsung Galaxy Watch Ultra 2 47mmApple Watch Series 12 42mmView product ↗Apple Watch Series 12 46mmFor Huawei Watch D3Apple Watch Series 12 46mmView product ↗Apple Watch Ultra 3For Huawei Watch D3Apple Watch Ultra 3View product ↗

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