Smarty 2.0 vs Xiaomi Watch S1 Active

What 2.0 does better (0) and where Watch S1 Active wins (3) — every spec side by side.

Smarty · 20222.0

7.5Score

0 advantages≈ $60

Higher score

6.7Score

3 advantages≈ $85

4.9Health tracking4.9

Dimensions

Size comparison

2.0Watch S1 Active

	2.0	Watch S1 Active	Difference
Case size	46 mm	47.3 mm	−1.3 mm
Thickness	13 mm	11 mm	+2 mm

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

2.0 has no measurable advantages in this pair.

Specifications

Only differences	Smarty 2.0≈ $607.5	Xiaomi Watch S1 Active≈ $856.7
Design & durability
Case size	46 mm	46 mm
Weight	—	52 g
Thickness	13 mm	11 mm
Height	—	46.5 mm
Width	—	47.3 mm
Case material	Ceramic	Aluminium
Sapphire crystal	—	Yes
Lens / cover glass	Mineralglas	Saphirglas
Strap material	Silikon	Silikon
Water resistance	—	5 ATM
Water rating (maker)	—	50 m / 5 bar / 5 ATM
Colours	—	Moon White, Space Black, Ocean Blue
Display
Screen size	—	1.43″
Display technology	—	AMOLED
Panel	—	AMOLED
AMOLED / OLED display	—	Yes
Resolution (width)	—	466 px
Resolution (height)	—	466 px
Pixel density	—	326 ppi
Refresh rate	—	60 Hz
Battery
Battery life (smartwatch mode)	7 days	12 days
Battery life (hours)	168 h	—
Battery capacity	300 mAh	470 mAh
Battery type	Li-Ion	Li-Po
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
Sleep tracking	Yes	Yes
Sensors	heart rate, SpO2, accelerometer	Accelerometer, gyro, compass, barometer, heart rate, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	—	Yes
Satellite systems	GPS	GLONASS, GALILEO, BDS, QZSS
Barometric altimeter	—	Yes
Compass	—	Yes
Connectivity
NFC payments	—	Yes
LTE (cellular)	—	No
eSIM	—	No
Wi-Fi	—	Wi-Fi 1
Bluetooth	5	5.2
Smart features
Speaker	—	Yes
Voice assistant	—	Yes
Platform
Operating system	—	Proprietary OS
Platform	—	Proprietary
Works with	iOS, Android	iOS, Android