Echo Rainbow One Smartwatch vs Huawei Watch 6 Pro

What Rainbow One Smartwatch does better (0) and where Watch 6 Pro wins (3) — every spec side by side.

6.3Score

0 advantages≈ $10

Huawei · 2026Watch 6 Pro

8.8Score

3 advantages

Higher score

5.1Display8.9

5.0Health tracking5.0

Dimensions

Size comparison

Rainbow One SmartwatchWatch 6 Pro

	Rainbow One Smartwatch	Watch 6 Pro	Difference
Case size	43 mm	46.4 mm	−3.4 mm

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

Rainbow One Smartwatch has no measurable advantages in this pair.

Specifications

Only differences	Echo Rainbow One Smartwatch≈ $106.3	Huawei Watch 6 Pro8.8
Design & durability
Case size	43 mm	46 mm
Weight	—	60 g
Thickness	—	10.9 mm
Height	—	46.4 mm
Width	—	46.4 mm
Sapphire crystal	—	Yes
Lens / cover glass	—	Sapphire crystal
Strap material	Silikon	—
Water resistance	—	5 ATM
Ingress protection	—	IP68
Water resistance (IPx)	—	IPx8
Colours	Gold	Titanium, Space Gray, White
Display
Screen size	1.3″	1.5″
Display technology	AMOLED	AMOLED
Panel	AMOLED	LTPO 2.0 AMOLED
AMOLED / OLED display	Yes	Yes
Touchscreen	Yes	—
Resolution (width)	360 px	466 px
Resolution (height)	360 px	466 px
Pixel density	—	310 ppi
Peak brightness	—	3,500 nits
LTPO display	—	Yes
Refresh rate	—	60 Hz
Battery
Wireless charging	—	Yes
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	—	Yes
Temperature sensor	—	Yes
Sensors	SpO2	Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature), X-TAP, depth
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	—	Yes
Satellite systems	GPS	GLONASS, GALILEO, BDS, QZSS
Barometric altimeter	—	Yes
Compass	—	Yes
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	—	Yes
eSIM	—	Yes
Wi-Fi	Wi-Fi 1	Wi-Fi 4
Bluetooth	5	5.2
Smart features
Speaker	—	Yes
Platform
Operating system	—	HarmonyOS
Platform	—	HarmonyOS
Works with	Android	—