Xiaomi Redmi Watch 4 vs Xiaomi Redmi Watch 6

What Redmi Watch 4 does better (0) and where Redmi Watch 6 wins (8) — every spec side by side.

Xiaomi · 2023Redmi Watch 4

7.0Score

0 advantages≈ $75

Xiaomi · 2025Redmi Watch 6

8.4Score

8 advantages≈ $75

Higher score

5.0Display8.5

5.0Health tracking5.0

6.5Smart features5.7

8.2Build & durability8.5

Dimensions

Size comparison

Redmi Watch 4Redmi Watch 6

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

Redmi Watch 4 has no measurable advantages in this pair.

Specifications

Only differences	Xiaomi Redmi Watch 4≈ $757.0	Xiaomi Redmi Watch 6≈ $758.4
Design & durability
Case size	48 mm	46 mm
Weight	31.5 g	31 g
Thickness	10.5 mm	9.9 mm
Height	47.6 mm	46.5 mm
Width	41.1 mm	40 mm
Case material	Aluminium	Aluminium
Strap material	TPU	—
Water resistance	5 ATM	5 ATM
Water rating (maker)	50 m / 5 bar / 5 ATM	50 m / 5 bar / 5 ATM
Colours	Black, White	Black, Silver
Display
Screen size	1.97″	2.1″
Display technology	AMOLED	AMOLED
Panel	AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Touchscreen	Yes	Yes
Resolution (width)	390 px	432 px
Resolution (height)	450 px	514 px
Pixel density	302 ppi	324 ppi
Peak brightness	600 nits	2,000 nits
Refresh rate	60 Hz	60 Hz
Battery
Battery life (smartwatch mode)	20 days	24 days
Battery capacity	470 mAh	550 mAh
Battery type	Li-Po	—
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	—	Yes
Sleep tracking	Yes	Yes
Sensors	Accelerometer, heart rate, compass, gyro, SpO2	Accelerometer, heart rate, compass, gyro, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Satellite systems	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS, QZSS
Compass	Yes	Yes
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	No	No
eSIM	No	Yes
Bluetooth	5.3	5.4
Smart features
Calls from the wrist	—	Yes
Speaker	Yes	Yes
Storage	16 GB	—
Platform
Operating system	HyperOS	HyperOS 3
Platform	Proprietary	Proprietary
Works with	iOS, Android	iOS, Android