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Watch Buds 2 vs Watch X3

Huawei Watch Buds 2 vs OPPO Watch X3

What Watch Buds 2 does better (1) and where Watch X3 wins (6) — every spec side by side.

Huawei · 2026Watch Buds 2

6.6Score

1 advantage≈ $480

OPPO · 2026Watch X3

8.4Score

6 advantages≈ $360

Higher score

8.1Display7.8

5.0Health tracking8.2

4.9Smart features8.4

Dimensions

Size comparison

Watch Buds 2Watch X3

	Watch Buds 2	Watch X3	Difference
Height	47 mm	47.4 mm	−0.4 mm
Width	47 mm	47.4 mm	−0.4 mm
Thickness	14.7 mm	11 mm	+3.7 mm
Weight	54 g	43 g	+12 g

Drawn to the same scale from the official dimensions (front and side).

Why is Watch Buds 2 better than Watch X3?

Wireless chargingYes · Watch X3: No

Why is Watch X3 better than Watch Buds 2?

LTE (cellular)No · Watch Buds 2: Yes
Weight54.5 g vs 43 g+27%
eSIMNo · Watch Buds 2: Yes
SpeakerNo · Watch Buds 2: Yes
Battery capacity410 mAh vs 646 mAh+58%
Thickness14.7 mm vs 11 mm+34%

Specifications

Side by side

Only differences	Huawei Watch Buds 2≈ $4806.6	OPPO Watch X3≈ $3608.4
Design & durability
Case size	47 mm	47 mm
Weight	54.5 g	43 g
Thickness	14.7 mm	11 mm
Height	47 mm	47.4 mm
Width	47 mm	47.4 mm
Case material	—	Titanium
Sapphire crystal	—	Yes
Lens / cover glass	—	Sapphire crystal glass
Strap material	—	Fluorelastomer
Water resistance	—	5 ATM
Ingress protection	—	IP68
Water resistance (IPx)	—	IPx8
Water rating (maker)	—	50 m / 5 bar / 5 ATM
Military-grade (MIL-STD-810)	—	Yes
Colours	Black, Silver	Black, Titanium
Display
Screen size	1.5″	1.5″
Display technology	AMOLED	AMOLED
Panel	LTPO AMOLED	LTPO AMOLED
AMOLED / OLED display	Yes	Yes
Always-on display	—	Yes
Resolution (width)	466 px	466 px
Resolution (height)	466 px	466 px
Pixel density	310 ppi	310 ppi
Peak brightness	3,000 nits	3,000 nits
LTPO display	Yes	Yes
Refresh rate	60 Hz	60 Hz
Battery
Battery life (smartwatch mode)	—	5 days
Battery capacity	410 mAh	646 mAh
Battery type	Li-Ion	Si/C
Wireless charging	Yes	No
Charging	—	Schnellladefunktion, magnetische Ladeschale
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	—	Yes
Skin temperature	—	Yes
Temperature sensor	—	Yes
HRV tracking	—	Yes
Sleep tracking	—	Yes
Sensors	Accelerometer, gyro, heart rate, SpO2	Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature)
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	—	Yes
Satellite systems	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS, QZSS
Barometric altimeter	—	Yes
Compass	—	Yes
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	No	Yes
eSIM	No	Yes
Wi-Fi	—	Wi-Fi 4
Bluetooth	5.2	5.2
Smart features
Speaker	No	Yes
Music on the watch	—	Yes
Storage	—	32 GB
RAM	—	2 GB
Platform
Operating system	HarmonyOS	ColorOS Watch 8.0 + Wear OS 6.0
Platform	HarmonyOS	Wear OS
Works with	—	Android
Chipset	—	Qualcomm Snapdragon W5 Gen 1