Vivo iQOO Watch GT vs Xiaomi Black Shark GS3 Ultra

What iQOO Watch GT does better (3) and where Black Shark GS3 Ultra wins (2) — every spec side by side.

6.7Score

3 advantages≈ $65

6.8Score

2 advantages

Higher score

8.7Display5.6

5.0Health tracking5.0

9.6Smart features6.5

2.4Build & durability5.1

Why is iQOO Watch GT better than Black Shark GS3 Ultra?

Specifications

Only differences	Vivo iQOO Watch GT≈ $656.7	Xiaomi Black Shark GS3 Ultra6.8
Design & durability
Case size	46 mm	—
Weight	33 g	—
Thickness	11.2 mm	—
Height	45.8 mm	—
Width	39.6 mm	—
Case material	Aluminium	Aluminium
Lens / cover glass	—	Corning Gorilla Glass
Water resistance	2 ATM	5 ATM
Ingress protection	—	IP68
Water resistance (IPx)	—	IPx8
Military-grade (MIL-STD-810)	—	Yes
Colours	Black	Black, Silver
Display
Screen size	1.85″	1.43″
Display technology	AMOLED	AMOLED
Panel	AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Resolution (width)	390 px	466 px
Resolution (height)	450 px	466 px
Pixel density	322 ppi	326 ppi
Peak brightness	—	1,000 nits
Refresh rate	60 Hz	60 Hz
Battery
Battery capacity	505 mAh	—
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
Sensors	Accelerometer, gyro, heart rate, compass, SpO2	Accelerometer, gyro, compass, barometer, heart rate, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	—	Yes
Satellite systems	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS, QZSS
Barometric altimeter	—	Yes
Compass	Yes	Yes
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	Yes	No
eSIM	Yes	No
Bluetooth	5.3	—
Smart features
Speaker	Yes	Yes
Platform
Operating system	Blue OS	—
Platform	Proprietary	—