Huawei Watch D3 vs Apple Watch Ultra 3 specs comparison
The Watch D3 is the better choice for blood pressure and day-to-day health monitoring. Apple Watch Ultra 3 is far stronger for sports, GPS, durability, battery life and outdoor use.
At a glance
What's different?
The strongest database-backed differences, without pretending every different number is an advantage.
Huawei Watch D3
- 243% longer battery life 6 days vs 42 hours
- 35% lighter 40 g vs 61.6 g
Apple Watch Ultra 3
- Multi-band GPS Built-in dual-band GNSS vs Built-in GNSS
- Offline maps Not available on the other model
- Satellite SOS Not available on the other model
- Built-in maps Not available on the other model
- Cellular connectivity Not available on the other model
- Emergency SOS Not available on the other model
- Fall detection Not available on the other model
Both include ECG, blood oxygen tracking, skin temperature tracking, HRV tracking, Bluetooth calling, a microphone, a speaker.
Full comparison
The full record
74 specifications across 6 areas, with 33 genuine differences.
1. Design & display Mixed
Fact
Huawei Watch D3
Apple Watch Ultra 3
Release date
2026-09-02
2025-09-19
Physical size
46.5 x 41 x 11.3 mm
49 x 44 x 12 mm
Weight
40 g without strap
61.6 g (Natural), 61.8 g (Black)
Material
Aluminum alloy case
Grade 5 titanium case
Water resistance
IP68; not designed for swimming, snorkeling or diving
10 ATM; IP6X; MIL-STD 810H; recreational scuba diving to 40 m
Color options
Mocha Gold, Pale Gold, Black
Natural Titanium, Black Titanium
Display type
AMOLED
Always-On Retina LTPO3 wide-angle OLED
Display size
1.92 inch
49 mm case
Display resolution
408 x 480 pixels, 328 ppi
422 x 514 pixels
Display brightness
Up to 3,000 nits
Up to 3,000 nits
2. Battery & charging Huawei Watch D3
Fact
Huawei Watch D3
Apple Watch Ultra 3
Battery
540 mAh rechargeable battery
Rechargeable lithium-ion battery
Battery life
Up to 6 days typical use; up to 1 day with ABPM enabled
Up to 42 hours; up to 72 hours in Low Power Mode
Charging
Wireless charging
USB-C magnetic fast charging; up to 80% in about 45 minutes
3. Sensors & positioning Apple Watch Ultra 3
Fact
Huawei Watch D3
Apple Watch Ultra 3
GNSS type
Built-in GNSS
Built-in dual-band GNSS
GPS
Yes
Yes
GALILEO
Yes
Yes
GLONASS
Yes
Yes
QZSS
Yes
Yes
Beidou
Yes
Yes
Accelerometer
Yes
Yes
Gyroscope
Yes
Yes
Barometric altimeter
Yes
Yes
Compass
Yes
Yes
Ambient light sensor
Yes
Yes
Optical heart rate
Yes
Yes
Electrical heart rate
Yes
Yes
SpO2
Yes
Yes
Temperature
Yes
Yes
Galvanic skin response
No
No
Microphone
Yes
Yes
Speakers
Yes
Yes
Vibration motor
Yes
Yes
4. Health & activity Huawei Watch D3
Fact
Huawei Watch D3
Apple Watch Ultra 3
Steps
Yes
Yes
Distance
Yes
Yes
Calories burned
Yes
Yes
Floors
Yes
Yes
Sports tracking
Yes (100+ workout modes)
Yes
Sleep
Yes
Yes
Heart rate
Yes
Yes
HRV
Yes
Yes
Stress
Yes
No
Blood oxygen
Yes
Yes
Respiration rate
Yes
Yes
Skin temperature
Yes
Yes
ECG
Yes
Yes
Blood pressure
Yes
Hypertension notifications (no direct blood-pressure measurement)
Body composition
No
No
Glucose
No
No
Hydration level
No
No
UV exposure
No
No
Calorie intake
Yes
No
Arterial stiffness detection
Yes
No
Pulse wave arrhythmia analysis
Yes
Yes
5. Smart features Apple Watch Ultra 3
Fact
Huawei Watch D3
Apple Watch Ultra 3
Smartphone compatibility
Android 8.0+ and iOS 13.0+
iPhone 11 or later with iOS 26 or later
Operating system at launch
HarmonyOS
watchOS
Storage
64 GB
64 GB
Bluetooth
Yes (6.0)
Yes (5.3)
Wi-Fi
No
Yes (Wi-Fi 4 / 802.11n, 2.4/5 GHz)
NFC / connected pay
Yes
Yes (Apple Pay)
UWB
No
Yes (2nd-generation UWB)
Cellular
No
Yes (5G RedCap and LTE on supported regional models)
Smartphone notifications
Yes
Yes
Bluetooth calling
Yes
Yes (standalone on cellular models; via paired iPhone otherwise)
Smartphone music control
Yes
Yes
On-board music storage
No
Yes
Voice assistant
Yes
Siri
6. Navigation & safety Apple Watch Ultra 3
Fact
Huawei Watch D3
Apple Watch Ultra 3
Maps
No
Yes (Apple Maps)
Offline maps
No
Yes (synced from iPhone)
Navigation
Yes
Yes (Apple Maps turn-by-turn)
Emergency SOS
No
Yes
Satellite SOS
No
Yes (Emergency SOS, Find My and Messages via satellite)
Fall detection
No
Yes
LED flashlight
No
No
Diving
No
Yes (recreational scuba to 40 m with compatible app)