Vivo Watch GT 2 vs Xiaomi Black Shark GS3 Ultra

What Watch GT 2 does better (4) and where Black Shark GS3 Ultra wins (2) — every spec side by side.

Vivo · 2025Watch GT 2

7.1Score

4 advantages≈ $95

Higher score

6.8Score

2 advantages

9.5Display5.6

5.0Health tracking5.0

9.6Smart features6.5

2.3Build & durability5.1

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

Specifications

Only differences	Vivo Watch GT 2≈ $957.1	Xiaomi Black Shark GS3 Ultra6.8
Design & durability
Case size	48 mm	—
Weight	34.8 g	—
Thickness	11 mm	—
Height	47.5 mm	—
Width	40.2 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	Glossy Black (eSIM only), Matte Silver, Matte Dark Blue	Black, Silver
Display
Screen size	2.07″	1.43″
Display technology	AMOLED	AMOLED
Panel	AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Resolution (width)	432 px	466 px
Resolution (height)	514 px	466 px
Pixel density	324 ppi	326 ppi
Peak brightness	2,400 nits	1,000 nits
Refresh rate	60 Hz	60 Hz
Battery
Battery capacity	595 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	5.4	—
Smart features
Speaker	Yes	Yes
Platform
Operating system	Blue OS 3.0	—
Platform	Proprietary	—