Wearable comparison

Apple Watch Ultra 4 49mm vs Huawei Watch D3

Compare battery life, health tracking, display and fit.

Compared products
01Selected Apple Watch Ultra 4 49mm 1.98 inch screen. Apple S11 processor. 64 GB storage in this version. Runs watchOS 27. Wi-Fi 4 support. KSh 118,000In Stock Choose options	02 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 Ultra 3KSh 90,000

Apple Watch Series 11KSh 51,000

Apple Watch Series 12 42mmKSh 64,000

Apple Watch Series 8KSh 50,000

Apple Watch UltraKSh 90,000

Apple Watch Ultra 2KSh 103,500

Huawei Watch Ultimate 2KSh 124,000

2 of 4 products

Our quick verdict

The Apple Watch Ultra 4 49mm runs watchOS built around the iPhone, gives daily readiness scores, 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, lasts longer between charges (6 days vs 50 hours) and works with Android phones and iPhones.

Display

Apple Watch Ultra 4 49mm: 1.98 inch screen
Huawei Watch D3: 1.92 inch screen

Performance

Apple Watch Ultra 4 49mm: Apple S11 processor
Huawei Watch D3: Unspecified processor

Software

Apple Watch Ultra 4 49mm: Runs watchOS 27
Huawei Watch D3: Runs HarmonyOS

Portability

Apple Watch Ultra 4 49mm: 63 g
Huawei Watch D3: 40 g

Connections

Apple Watch Ultra 4 49mm: Wi-Fi 4, Bluetooth 5.3
Huawei Watch D3: Bluetooth 6.0

Key differences

The main differences to help you choose.

Apple Watch Ultra 4 49mm

Titanium case and ceramic back (vs aluminium case and plastic back).
Daily readiness scores.
Rated for free diving to 40 m.
Ultra Wideband (UWB) support (gen2 chip).
Emergency SOS via satellite.

Huawei Watch D3

Longer battery life: up to 6 days (vs 50 hours).
Cuff-based blood-pressure readings (built-in pump and inflatable strap).
Works with Android phones and iPhones.
Lighter: 40 g (vs 63 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
Priority	Apple Watch Ultra 4 49mm	Huawei Watch D3
Battery life	Up to 50 hours per charge	Lasts up to 6 days in typical use or 1 day with ABPM enabled
Portability	63 g	40 g
Display	1.98-inch OLED display, 326 ppi	1.92-inch display
Software	watchOS 27	HarmonyOS
Connections	Wi-Fi 4, Bluetooth 5.3	Bluetooth 6.0
Performance	Apple S11 processor	Unspecified processor
Storage	64 GB storage	Unspecified
Water resistance	100 m under ISO 22810:2010	No official water-resistance rating

Detailed comparison

Explore the full specifications, section by section.

Differences only

Display

Display specifications comparison
Specification	Apple Watch Ultra 4 49mm	Huawei Watch D3
Display	Retina LTPO3 OLED, 3000 nits (peak); 1.98 inches	1.92 inches
Screen resolution	422 × 514 pixels; 326 ppi; 1,245 mm² display area	408 × 480 pixels, PPI 328
Display protection	Sapphire crystal	—
Display features	3000 nits (peak); Wide-angle OLED	AMOLED, 3000 nits (peak)

Connectivity

Connectivity specifications comparison
Specification	Apple Watch Ultra 4 49mm	Huawei Watch D3
Network / cellular	GSM / HSPA / LTE / 5G	No cellular connectivity
SIM / eSIM	eSIM	No cellular connectivity
Wi-Fi	Wi-Fi 802.11 b/g/n, dual-band	No Wi-Fi connectivity
Bluetooth	5.3, A2DP, LE	2.4 GHz, Bluetooth 6.0 supporting BR and BLE
NFC	Yes	Yes (market/region dependent)
Positioning / GNSS	GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS	GPS
Ultra Wideband (UWB)	Ultra Wideband (UWB) support (gen2 chip)	No
Satellite features	Emergency SOS via satellite	No

Identity & design

Identity & design specifications comparison
Specification	Apple Watch Ultra 4 49mm	Huawei Watch D3
Brand	Apple	Huawei
Model	Apple Watch Ultra 4 49mm	Watch D3
Announced	2026, September 09	2026, September 02
Dimensions	49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)	46.5 x 41 x 11.3 mm (1.83 x 1.61 x 0.44 in)
Weight	Natural titanium: 63.0 g; black titanium: 63.1 g	40 g (1.41 oz)
Build materials	Grade 5 titanium case; sapphire crystal front; ceramic and sapphire crystal back	Glass front, aluminum frame, plastic back
Wrist size	130–210 mm	130-210 mm M-sized strap 130-160 mm L-sized strap 161-210 mm Strap width 25.5 mm
Strap / band	Included band; style depends on the selected configuration	Sand Composite Leather Strap White Composite Leather Strap Black HNBR Strap
Controls / buttons	Customizable Action button; Digital Crown with haptic feedback; side button; single tap, double tap and wrist flick gestures	Rotating crown Function and ECG button

Performance & software

Performance & software specifications comparison
Specification	Apple Watch Ultra 4 49mm	Huawei Watch D3
Processor	Apple S11	Unspecified
CPU	Dual-core	Unspecified
GPU	PowerVR	Unspecified
Storage	64GB	Unspecified
Operating system	watchOS 27	HarmonyOS
RAM	—	Unspecified

Audio & communication

Audio & communication specifications comparison
Specification	Apple Watch Ultra 4 49mm	Huawei Watch D3
Speaker	Dual speakers; media playback; siren	Yes
Microphone	Three-microphone array with beamforming and wind-noise mitigation	Yes
Calling	Cellular and Bluetooth calling; international emergency calling	Yes

Sensors, health & fitness

Sensors, health & fitness specifications comparison
Specification	Apple Watch Ultra 4 49mm	Huawei Watch D3
Sensors	Electrical heart sensor; always-on optical heart sensor; blood oxygen sensor; temperature sensor; depth gauge; water-temperature sensor; compass; always-on altimeter; high-g accelerometer; high dynamic-range gyroscope; ambient-light sensor	9-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 features	Heart rate; HRV; blood oxygen; ECG; wrist temperature; respiratory rate; Readiness; Vitals; cycle tracking; high/low heart-rate, irregular rhythm and hypertension notifications (regional availability)	Yes
Sleep tracking	Sleep duration; sleep stages; sleep score; sleep-apnea notifications (regional availability)	Yes
Sports / workout modes	Running; hiking; cycling; pool and open-water swimming; skiing; snowboarding; rowing; paddling; golf; walking; HIIT; yoga; strength; dance; Pilates; Tai Chi; kickboxing; multisport and more	100+ workout modes
Training & outdoor features	Custom workouts and views; Training Load and Workout Effort; heart-rate zones; VO₂ max; Race Route; Pacer; running dynamics; automatic track detection; offline maps, routes, waypoints, Backtrack and elevation alerts	Yes
Safety & emergency features	Emergency SOS; satellite SOS and messaging; international emergency calling; siren; flashlight; Fall Detection; Crash Detection; Check In; noise monitoring; emergency waypoints	No
Diving / depth features	Recreational scuba diving to 40 m; automatic dive launch at 1 m; current/maximum depth and duration; GPS entry/exit points; depth gauge and water temperature	No

Battery & durability

Battery & durability specifications comparison
Specification	Apple Watch Ultra 4 49mm	Huawei Watch D3
Battery capacity	Li-Ion 631 mAh	—
Battery life	Up to 50 hours normal use; 84 hours Low Power Mode; 18 hours workout tracking; 25 hours Extended Workout; 45 hours Max Extended Workout	lasts up to 6 days in typical use or 1 day with ABPM enabled.
Charging	Magnetic fast charging; up to 80% in about 45 minutes	Wireless charging
Water resistance	100 m under ISO 22810:2010; suitable for swimming, snorkeling, scuba and high-speed water sports	Not water-resistant
Durability / certifications	IP6X dust resistance under IEC 60529; EN 13319 recreational diving to 40 m; tested to MIL‑STD‑810H	Blood Pressure Measurement & ECG with built-in pump & inflatable strap ECG certified Medical-grade and ambulatory blood pressure monitoring

Compatibility

Compatibility specifications comparison
Specification	Apple Watch Ultra 4 49mm	Huawei Watch D3
Phone compatibility	iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later	Android 8.0 or later iOS 13.0 or later
Companion app	Apple Watch app on iPhone	Huawei Health App
Colors	Natural, Black	Mocha Gold, Gold, Black

Additional specifications

Additional specifications specifications comparison
Specification	Apple Watch Ultra 4 49mm	Huawei Watch D3
Case material	Grade 5 titanium	—
Military-grade resistance	MIL-STD-810H	—
Flashlight	Supported	—
Display material	LTPO3 wide-angle OLED	—
Pixels per inch	326 ppi	—
Peak brightness	Up to 3,000 nits peak; 1 nit minimum	—
Cover / touchscreen	Supported	—
Charging time	About 45 minutes to 80%; 15 minutes for up to 18 hours normal use; 5 minutes for up to 10 hours sleep tracking	—
Packing list	Apple Watch Ultra 4; band; 1 m magnetic fast-charger to USB-C cable	—
Release status	Available. Released 2026, September 18	—
Model numbers	A3579	—
Card slot	No	—
Camera	No	—
3.5 mm headphone jack	No	—
USB	No	—
Radio	No	—
2G bands	GSM 850 / 900 / 1800 / 1900	—
3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	—
4G bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 53, 66, 71	—
5G bands	1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 38, 40, 41, 53, 66, 71 SA/NSA	—
Network speed	HSPA, LTE, 5G	—
Additional hardware features	Health Sensing System: third‑generation electrical heart sensor, always‑on optical heart sensor, blood oxygen sensor, temperature sensor; Temperature sensing (0.01˚ accuracy); Depth gauge (±1m accuracy)	—

Similarities

Both work with a companion app.
Both have NFC.
Both take ECG readings.
Both take calls over Bluetooth.
Both have similar screen sizes (1.98 and 1.92 inches).
Both connect over Bluetooth.

In summary

Get the Huawei Watch D3 if you want cuff-based blood-pressure readings and longer battery life, or the Apple Watch Ultra 4 49mm if you would rather have daily readiness scores and a premium titanium build with a ceramic back.

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