Nothing CMF Watch Pro 3 vs Realme Watch S2

What CMF Watch Pro 3 does better (0) and where Watch S2 wins (1) — every spec side by side.

6.8Score

0 advantages≈ $70

Higher score

Realme · 2024Watch S2

5.6Score

1 advantage≈ $65

5.9Display4.6

5.0Health tracking5.0

Dimensions

Size comparison

CMF Watch Pro 3Watch S2

	CMF Watch Pro 3	Watch S2	Difference
Case size	47 mm	46.5 mm	+0.5 mm

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

CMF Watch Pro 3 has no measurable advantages in this pair.

Specifications

Only differences	Nothing CMF Watch Pro 3≈ $706.8	Realme Watch S2≈ $655.6
Design & durability
Case size	47 mm	46 mm
Weight	—	41 g
Thickness	—	11 mm
Height	—	46.5 mm
Width	—	46.5 mm
Case material	Aluminium	—
Lens / cover glass	—	Scratch-resistant glass
Strap material	Silikon	—
Water resistance	—	5 ATM
Ingress protection	—	IP68
Water resistance (IPx)	—	IPx8
Colours	—	Gray, Silver
Display
Screen size	1.43″	1.43″
Display technology	AMOLED	AMOLED
Panel	AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Always-on display	Yes	—
Touchscreen	Yes	—
Resolution (width)	466 px	466 px
Resolution (height)	466 px	466 px
Pixel density	—	326 ppi
Peak brightness	—	600 nits
Refresh rate	—	60 Hz
Battery
Battery life (smartwatch mode)	10 days	—
Battery capacity	350 mAh	380 mAh
Wireless charging	—	No
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	Yes	—
Sensors	heart rate, SpO2, accelerometer, ambient light	Accelerometer, heart rate, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Satellite systems	GPS, GLONASS, GALILEO, BDS	—
Connectivity
NFC payments	—	No
LTE (cellular)	—	No
eSIM	—	No
Bluetooth	5.3	—
Smart features
Speaker	—	Yes
Platform
Operating system	CMF Watch App	—
Platform	Proprietary	—
Works with	iOS, Android	—