Huawei Watch Buds 2 vs Xiaomi Black Shark GS3 Ultra

What Watch Buds 2 does better (2) and where Black Shark GS3 Ultra wins (2) — every spec side by side.

Huawei · 2026Watch Buds 2

7.0Score

2 advantages≈ $480

Higher score

6.9Score

2 advantages

8.2Display5.6

4.9Health tracking4.9

8.0Sports & outdoor4.7

4.9Smart features6.6

Why is Watch Buds 2 better than Black Shark GS3 Ultra?

Specifications

Only differences	Huawei Watch Buds 2≈ $4807.0	Xiaomi Black Shark GS3 Ultra6.9
Design & durability
Case size	47 mm	—
Weight	54.5 g	—
Thickness	14.7 mm	—
Height	47 mm	—
Width	47 mm	—
Case material	Titanium	Aluminium
Lens / cover glass	—	Corning Gorilla Glass
Strap material	Leder	—
Water resistance	—	5 ATM
Ingress protection	—	IP68
Water resistance (IPx)	—	IPx8
Military-grade (MIL-STD-810)	—	Yes
Colours	Black, Silver	Black, Silver
Display
Screen size	1.5″	1.43″
Display technology	AMOLED	AMOLED
Panel	LTPO AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Resolution (width)	466 px	466 px
Resolution (height)	466 px	466 px
Pixel density	310 ppi	326 ppi
Peak brightness	3,000 nits	1,000 nits
LTPO display	Yes	—
Refresh rate	60 Hz	60 Hz
Battery
Battery life (smartwatch mode)	3 days	—
Battery capacity	410 mAh	—
Battery type	Li-Ion	—
Wireless charging	Yes	—
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
Sensors	Accelerometer, gyro, heart rate, SpO2	Accelerometer, gyro, compass, barometer, heart rate, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	—	Yes
Satellite systems	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS, QZSS
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	No	No
eSIM	No	No
Bluetooth	5.2	—
Smart features
Speaker	No	Yes
Platform
Operating system	HarmonyOS	—
Platform	HarmonyOS	—
Works with	iOS, Android	—