Gravity GT20-4 Smartwatch 1,43 Zoll AMOLED vs HMD Watch X1

What GT20-4 Smartwatch 1,43 Zoll AMOLED does better (0) and where Watch X1 wins (0) — every spec side by side.

7.2Score

0 advantages≈ $70

Higher score

HMD · 2026Watch X1

5.8Score

0 advantages

6.3Display7.6

4.9Health tracking4.9

Dimensions

Size comparison

GT20-4 Smartwatch 1,43 Zoll AMOLEDWatch X1

	GT20-4 Smartwatch 1,43 Zoll AMOLED	Watch X1	Difference
Case size	46 mm	46.5 mm	−0.5 mm

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

GT20-4 Smartwatch 1,43 Zoll AMOLED has no measurable advantages in this pair.

Watch X1 has no measurable advantages in this pair.

Specifications

Only differences	Gravity GT20-4 Smartwatch 1,43 Zoll AMOLED≈ $707.2	HMD Watch X15.8
Design & durability
Case size	46 mm	46 mm
Weight	—	55.6 g
Thickness	—	11 mm
Height	—	46.5 mm
Width	—	46.5 mm
Case material	Plastic / polymer	—
Strap material	Silikon, Gummi	—
Ingress protection	—	IP68
Water resistance (IPx)	—	IPx8
Colours	Black, Orange	Gray, Silver
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
Refresh rate	—	60 Hz
Battery
Battery capacity	360 mAh	—
Battery type	Li-Ion	Li-Po
Wireless charging	—	No
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
Sensors	heart rate, SpO2	Accelerometer, heart rate, SpO2
Sports & navigation
Built-in GPS	—	No
Connectivity
NFC payments	—	No
LTE (cellular)	—	No
eSIM	—	No
Bluetooth	5	—
Smart features
Speaker	—	Yes
Platform
Operating system	—	RTOS OS
Platform	—	Proprietary
Works with	iOS, Android	—