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Wearable comparison

Apple Watch Ultra 3 vs Huawei Watch D3

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Apple Watch Ultra 3

Apple Watch Ultra 3

  • Screen: 422 × 514 pixels; 326 ppi; 1,245 mm² display area.
  • Apple S10; 4-core Neural Engine processor.
  • 64 GB storage in this version.
  • Runs watchOS 26, upgradable to watchOS 27.
  • Wi-Fi 4 support.
KSh 90,000In Stock
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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Apple Watch UltraKSh 90,000
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2 of 4 products

Our quick verdict

The Apple Watch Ultra 3 runs watchOS built around the iPhone, has a premium titanium build with a ceramic back and is rated for free diving to 40 m, though it works only with an iPhone, while the Huawei Watch D3 takes cuff-based blood-pressure readings and lasts much longer between charges (6 days vs 42 hours).

Display

Apple Watch Ultra 3
422 × 514 pixels; 326 ppi; 1,245 mm² display area
Huawei Watch D3
408 × 480 pixels, PPI 328

Performance

Apple Watch Ultra 3
Apple S10; 4-core Neural Engine processor
Huawei Watch D3
Unspecified processor

Software

Apple Watch Ultra 3
Runs watchOS 26, upgradable to watchOS 27
Huawei Watch D3
Runs HarmonyOS

Portability

Apple Watch Ultra 3
61.6 g
Huawei Watch D3
40 g

Connections

Apple Watch Ultra 3
Wi-Fi 4, Bluetooth 5.3
Huawei Watch D3
Bluetooth 6.0

Key differences

The main differences to help you choose.

Apple Watch Ultra 3

  • Titanium case and ceramic back (vs aluminium case and plastic back).
  • Rated for free diving to 40 m.
  • Ultra Wideband (UWB) support (gen2 chip).
  • Emergency SOS via satellite.
  • Cellular option (LTE/5G models) for calls and data without your phone.

Huawei Watch D3

  • Longer battery life: up to 6 days (vs 42 hours).
  • Cuff-based blood-pressure readings (built-in pump and inflatable strap).
  • Works with Android phones and iPhones.
  • Lighter: 40 g (vs 61.6 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.

6 priorities selected.
How each product answers the selected priorities
PriorityApple Watch Ultra 3Huawei Watch D3
Battery lifeUp to 42 hours per chargeLasts up to 6 days in typical use or 1 day with ABPM enabled
DisplayOLED display, 326 ppi1.92-inch display
SoftwarewatchOS 26HarmonyOS
PerformanceApple S10 processorUnspecified processor
Storage64 GB storageUnspecified
Water resistance100 m under ISO 22810:2010No official water-resistance rating

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationApple Watch Ultra 3Huawei Watch D3
DisplayAlways-On Retina LTPO3 wide-angle OLED1.92 inches
Screen resolution422 × 514 pixels; 326 ppi; 1,245 mm² display area408 × 480 pixels, PPI 328
Display protectionFlat sapphire crystal—
Display features3000 nits (peak); Wide-angle OLEDAMOLED, 3000 nits (peak)

Connectivity

Connectivity specifications comparison
SpecificationApple Watch Ultra 3Huawei Watch D3
Network / cellularGSM / HSPA / LTE / 5GNo cellular connectivity
SIM / eSIMeSIMNo cellular connectivity
Wi-FiWi-Fi 802.11 b/g/n, dual-bandNo Wi-Fi connectivity
Bluetooth5.3, A2DP, LE2.4 GHz, Bluetooth 6.0 supporting BR and BLE
NFCSupported; Apple PayYes (market/region dependent)
Positioning / GNSSGPS (L1+L5), GLONASS, GALILEO, BDS, QZSSGPS
Ultra Wideband (UWB)Ultra Wideband (UWB) support (gen2 chip)No
Satellite featuresEmergency SOS via satelliteNo

Identity & design

Identity & design specifications comparison
SpecificationApple Watch Ultra 3Huawei Watch D3
BrandAppleHuawei
ModelApple Watch Ultra 3Watch D3
Announced2025, September 092026, September 02
Dimensions49 × 44 × 12 mm46.5 x 41 x 11.3 mm (1.83 x 1.61 x 0.44 in)
WeightNatural titanium: 61.6 g; black titanium: 61.8 g40 g (1.41 oz)
Build materialsTitanium case; sapphire crystal front; ceramic and sapphire crystal backGlass front, aluminum frame, plastic back
Wrist size130–210 mm130-210 mm M-sized strap 130-160 mm L-sized strap 161-210 mm Strap width 25.5 mm
Controls / buttonsCustomizable Action button; Digital Crown with haptic feedback; side buttonRotating crown Function and ECG button
Strap / band—Sand Composite Leather Strap White Composite Leather Strap Black HNBR Strap

Performance & software

Performance & software specifications comparison
SpecificationApple Watch Ultra 3Huawei Watch D3
ProcessorApple S10; 4-core Neural EngineUnspecified
CPU64-bit dual-coreUnspecified
GPUPowerVRUnspecified
Storage64 GBUnspecified
Operating systemwatchOS 26, upgradable to watchOS 27HarmonyOS
RAM—Unspecified

Audio & communication

Audio & communication specifications comparison
SpecificationApple Watch Ultra 3Huawei Watch D3
SpeakerDual speakers; sirenYes
MicrophoneThree-microphone array with beamforming and wind-noise mitigationYes
CallingCellular and Bluetooth calling; international emergency callingYes

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationApple Watch Ultra 3Huawei Watch D3
SensorsElectrical heart sensor, third-generation optical heart sensor, blood oxygen sensor, temperature sensor, depth gauge, water-temperature sensor, compass, always-on altimeter, high-g accelerometer, high-dynamic-range gyroscope and ambient-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 featuresBlood Oxygen, ECG, Cycle Tracking, heart-rate notifications, irregular-rhythm notifications, medications, mindfulness and noise features; availability varies by regionYes
Sleep trackingSleep duration and sleep stagesYes
Safety & emergency featuresEmergency SOS; international emergency calling; Fall Detection; Crash DetectionNo
Diving / depth featuresRecreational scuba diving to 40 m; depth gauge; water-temperature sensorNo
Sports / workout modes—100+ workout modes
Training & outdoor features—Yes

Battery & durability

Battery & durability specifications comparison
SpecificationApple Watch Ultra 3Huawei Watch D3
Battery lifeUp to 42 hours normal use; 72 hours Low Power Modelasts up to 6 days in typical use or 1 day with ABPM enabled.
ChargingMagnetic fast chargingWireless charging
Water resistance100 m under ISO 22810:2010Not water-resistant
Durability / certificationsIP6X dust resistance; MIL-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
SpecificationApple Watch Ultra 3Huawei Watch D3
Phone compatibilityiPhone 11 or later; iOS 26 or laterAndroid 8.0 or later iOS 13.0 or later
Companion appApple Watch app on iPhoneHuawei Health App
ColorsNatural, BlackMocha Gold, Gold, Black

Additional specifications

Additional specifications specifications comparison
SpecificationApple Watch Ultra 3Huawei Watch D3
Case materialTitanium—
Military-grade resistanceMIL-STD-810H—
FlashlightSupported—
Pixels per inch326 ppi—
Peak brightnessUp to 3,000 nits peak; 1 nit minimum—
Cover / touchscreenSupported—
Charging timeAbout 45 minutes to 80%—
Release statusAvailable. Released 2025, September 19—
Model numbersA3281, A3282—
Card slotNo—
CameraNo—
3.5 mm headphone jackNo—
USBNo—
RadioNo—
2G bandsGSM 850 / 900 / 1800 / 1900—
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK; HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada—
4G bands1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK; 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada—
5G bandsSA/NSA—
Network speedHSPA, LTE, 5G—
SAR (US)1.16 W/kg (head)—
SAR (EU)1.19 W/kg (head)—
Additional hardware featuresTemperature sensing (0.01˚ accuracy); Depth gauge (±1m accuracy)—
Battery typeRechargeable lithium-ion—

Similarities

  • Both work with a companion app.
  • Both have NFC.
  • Both take ECG readings.
  • Both take calls over Bluetooth.
  • Both connect over Bluetooth.
  • Both go up to 210 mm (wrist size).

In summary

For most buyers the Huawei Watch D3 is the better buy; the Apple Watch Ultra 3 makes sense if you want a premium titanium build with a ceramic back.

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