Smarty 2.0 SW028 vs Xiaomi Redmi Watch 3 Active

What 2.0 SW028 does better (1) and where Redmi Watch 3 Active wins (3) — every spec side by side.

Smarty · 20222.0 SW028

4.8Score

1 advantage≈ $45

5.3Score

3 advantages≈ $55

Higher score

3.6Display3.6

5.0Health tracking5.0

Dimensions

Size comparison

2.0 SW028Redmi Watch 3 Active

	2.0 SW028	Redmi Watch 3 Active	Difference
Case size	45 mm	38.9 mm	+6.1 mm
Thickness	10.4 mm	10.9 mm	−0.5 mm

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

Specifications

Only differences	Smarty 2.0 SW028≈ $454.8	Xiaomi Redmi Watch 3 Active≈ $555.3
Design & durability
Case size	45 mm	47 mm
Weight	—	42 g
Thickness	10.4 mm	10.9 mm
Height	—	46.9 mm
Width	—	38.9 mm
Case material	—	Plastic / polymer
Lens / cover glass	Mineralglas	Gorilla Glas
Strap material	—	Polyurethan
Water resistance	—	5 ATM
Water rating (maker)	—	50 m / 5 bar / 5 ATM
Colours	—	Black, Gray
Display
Screen size	1.7″	1.83″
Display technology	—	LCD
Panel	—	IPS LCD
AMOLED / OLED display	No	No
Always-on display	—	Yes
Touchscreen	—	Yes
Resolution (width)	240 px	240 px
Resolution (height)	280 px	280 px
Pixel density	—	202 ppi
Peak brightness	—	450 nits
Refresh rate	—	60 Hz
Battery
Battery life (smartwatch mode)	5 days	12 days
Battery capacity	200 mAh	289 mAh
Battery type	Li-Ion	Li-Ion
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
Sleep tracking	Yes	Yes
Sensors	heart rate, SpO2, accelerometer	Accelerometer, heart rate, SpO2
Sports & navigation
Built-in GPS	—	No
Satellite systems	—	GPS, GLONASS, BDS, QZSS
Connectivity
NFC payments	—	Yes
LTE (cellular)	—	No
eSIM	—	No
Wi-Fi	—	Wi-Fi 1
Bluetooth	5.1	5.3
Smart features
Speaker	—	Yes
Platform
Operating system	—	Proprietary OS
Platform	—	Proprietary
Works with	iOS	iOS, Android