Gravity GT20-4 Smartwatch 1,43 Zoll AMOLED vs Nothing CMF Watch 3 Pro

What GT20-4 Smartwatch 1,43 Zoll AMOLED does better (1) and where CMF Watch 3 Pro wins (0) — every spec side by side.

7.2Score

1 advantage≈ $70

Higher score

6.0Score

0 advantages≈ $75

6.3Display5.0

4.9Health tracking4.9

Dimensions

Size comparison

GT20-4 Smartwatch 1,43 Zoll AMOLEDCMF Watch 3 Pro

	GT20-4 Smartwatch 1,43 Zoll AMOLED	CMF Watch 3 Pro	Difference
Case size	46 mm	47 mm	−1 mm

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

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

Specifications

Only differences	Gravity GT20-4 Smartwatch 1,43 Zoll AMOLED≈ $707.2	Nothing CMF Watch 3 Pro≈ $756.0
Design & durability
Case size	46 mm	47 mm
Weight	—	51 g
Thickness	—	14.4 mm
Height	—	47 mm
Width	—	47 mm
Case material	Plastic / polymer	Aluminium
Strap material	Silikon, Gummi	—
Ingress protection	—	IP68
Water resistance (IPx)	—	IPx8
Colours	Black, Orange	Dark Grey, Light Grey
Display
Screen size	1.43″	1.43″
Display technology	AMOLED	AMOLED
Panel	AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Touchscreen	Yes	—
Resolution (width)	466 px	466 px
Resolution (height)	466 px	466 px
Pixel density	—	326 ppi
Peak brightness	—	650 nits
Refresh rate	—	60 Hz
Battery
Battery life (smartwatch mode)	—	13 days
Battery capacity	360 mAh	350 mAh
Battery type	Li-Ion	Li-Ion
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
Sleep tracking	—	Yes
Sensors	heart rate, SpO2	Accelerometer, gyro, heart rate, SpO2
Sports & navigation
Built-in GPS	—	Yes
Dual-band GPS	—	Yes
Satellite systems	—	GLONASS, GALILEO, BDS, QZSS
Connectivity
NFC payments	—	No
LTE (cellular)	—	No
eSIM	—	No
Bluetooth	5	5.3
Smart features
Calls from the wrist	—	Yes
Speaker	—	Yes
Platform
Works with	iOS, Android	Android, iOS