Ice Watch Smart 3.0 rund vs Vivo Watch GT 2

What Smart 3.0 rund does better (2) and where Watch GT 2 wins (2) — every spec side by side.

Ice Watch · 2025Smart 3.0 rund

6.2Score

2 advantages≈ $100

Vivo · 2025Watch GT 2

7.1Score

2 advantages≈ $95

Higher score

4.7Display9.5

5.0Health tracking5.0

Dimensions

Size comparison

Smart 3.0 rundWatch GT 2

	Smart 3.0 rund	Watch GT 2	Difference
Case size	42 mm	40.2 mm	+1.8 mm
Thickness	10.5 mm	11 mm	−0.5 mm

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

Specifications

Only differences	Ice Watch Smart 3.0 rund≈ $1006.2	Vivo Watch GT 2≈ $957.1
Design & durability
Case size	42 mm	48 mm
Weight	—	34.8 g
Thickness	10.5 mm	11 mm
Height	—	47.5 mm
Width	—	40.2 mm
Case material	Stainless steel	Aluminium
Lens / cover glass	Mineralglas Mineralglas	—
Strap material	Silikon	—
Water resistance	3 ATM	2 ATM
Water rating (maker)	30 m / 3 bar / 3 ATM	—
Colours	—	Glossy Black (eSIM only), Matte Silver, Matte Dark Blue
Display
Screen size	1.2″	2.07″
Display technology	AMOLED	AMOLED
Panel	AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Resolution (width)	390 px	432 px
Resolution (height)	390 px	514 px
Pixel density	—	324 ppi
Peak brightness	—	2,400 nits
Refresh rate	—	60 Hz
Battery
Battery life (smartwatch mode)	3 days	—
Battery capacity	—	595 mAh
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
Sleep tracking	Yes	—
Sensors	heart rate, SpO2, accelerometer	Accelerometer, gyro, heart rate, compass, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Satellite systems	GPS	GLONASS, GALILEO, BDS, QZSS
Compass	—	Yes
Connectivity
NFC payments	—	Yes
LTE (cellular)	—	Yes
eSIM	—	Yes
Bluetooth	5	5.4
Smart features
Speaker	—	Yes
Platform
Operating system	Proprietär	Blue OS 3.0
Platform	Proprietary	Proprietary
Works with	iOS, Android	—