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Galaxy Watch3 vs Watch S1 Active

Samsung Galaxy Watch3 vs Xiaomi Watch S1 Active

What Galaxy Watch3 does better (3) and where Watch S1 Active wins (3) — every spec side by side.

Samsung · 2020Galaxy Watch3

7.7Score

3 advantages≈ $110

Higher score

Xiaomi · 2022Watch S1 Active

7.5Score

3 advantages≈ $85

7.3Display7.5

9.2Health tracking5.0

7.9Smart features6.5

Dimensions

Size comparison

Galaxy Watch3Watch S1 Active

	Galaxy Watch3	Watch S1 Active	Difference
Height	46.2 mm	46.5 mm	−0.3 mm
Width	45 mm	47.3 mm	−2.3 mm
Thickness	11.1 mm	11 mm	+0.1 mm

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

Why is Galaxy Watch3 better than Watch S1 Active?

LTE (cellular)Yes · Watch S1 Active: No
eSIMYes · Watch S1 Active: No
Pixel density364 ppi vs 326 ppi+12%

Why is Watch S1 Active better than Galaxy Watch3?

Screen size1.4″ vs 1.43″+2%
Battery capacity340 mAh vs 470 mAh+38%
Resolution (width)360 px vs 466 px+29%

Specifications

Side by side

Only differences	Samsung Galaxy Watch3≈ $1107.7	Xiaomi Watch S1 Active≈ $857.5
Design & durability
Case size	46 mm	46 mm
Weight	48.2 g	—
Thickness	11.1 mm	11 mm
Height	46.2 mm	46.5 mm
Width	45 mm	47.3 mm
Case material	Titanium	Aluminium
Lens / cover glass	Corning Gorilla Glass DX	—
Water resistance	5 ATM	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	Mystic Bronze, Mystic Black, Mystic White	Moon White, Space Black, Ocean Blue
Display
Screen size	1.4″	1.43″
Display technology	AMOLED	AMOLED
Panel	Super AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Always-on display	Yes	—
Touchscreen	Yes	—
Resolution (width)	360 px	466 px
Resolution (height)	360 px	466 px
Pixel density	364 ppi	326 ppi
Refresh rate	60 Hz	60 Hz
Battery
Battery life (smartwatch mode)	2 days	—
Battery capacity	340 mAh	470 mAh
Battery type	Li-Ion	Li-Po
Wireless charging	Yes	—
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	Yes	—
Skin temperature	Yes	—
Sleep tracking	Yes	—
Sensors	Accelerometer, gyro, heart rate, barometer	Accelerometer, gyro, compass, barometer, heart rate, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	—	Yes
Satellite systems	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS, QZSS
Barometric altimeter	Yes	Yes
Compass	—	Yes
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	Yes	No
eSIM	Yes	No
Wi-Fi	Wi-Fi 4	—
Bluetooth	5	5.2
Smart features
Calls from the wrist	Yes	—
Speaker	Yes	Yes
Microphone	Yes	—
Music on the watch	Yes	—
Storage	8 GB	—
RAM	1 GB	—
Platform
Operating system	Tizen OS 5.5	Proprietary OS
Platform	Tizen	Proprietary
Works with	iOS, Android	—
Chipset	Exynos 9110	—