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Watch Series 7 vs Mi Watch

Apple Watch Series 7 vs Xiaomi Mi Watch

What Watch Series 7 does better (5) and where Mi Watch wins (3) — every spec side by side.

Apple · 2021Watch Series 7

5.8Score

5 advantages≈ $330

Xiaomi · 2020Mi Watch

6.6Score

3 advantages≈ $110

Higher score

6.8Display4.3

9.2Health tracking5.0

6.4Sports & outdoor8.0

7.9Smart features6.5

6.0Build & durability8.0

Dimensions

Size comparison

Watch Series 7Mi Watch

	Watch Series 7	Mi Watch	Difference
Height	45 mm	53.3 mm	−8.3 mm
Width	38 mm	45.9 mm	−7.9 mm
Thickness	10.7 mm	11.8 mm	−1.1 mm
Weight	42 g	32 g	+10 g

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

Why is Watch Series 7 better than Mi Watch?

Peak brightness1,000 nits vs 450 nits2.2×
LTE (cellular)Yes · Mi Watch: No
Screen size1.9″ vs 1.39″+37%
eSIMYes · Mi Watch: No
Thickness10.7 mm vs 11.8 mm+10%

Why is Mi Watch better than Watch Series 7?

Weight42.3 g vs 32 g+32%
Battery capacity309 mAh vs 420 mAh+36%
Resolution (width)396 px vs 454 px+15%

Specifications

Side by side

Only differences	Apple Watch Series 7≈ $3305.8	Xiaomi Mi Watch≈ $1106.6
Design & durability
Case size	45 mm	53 mm
Weight	42.3 g	32 g
Thickness	10.7 mm	11.8 mm
Height	45 mm	53.3 mm
Width	38 mm	45.9 mm
Case material	Stainless steel	—
Sapphire crystal	Yes	—
Lens / cover glass	Sapphire crystal glass	—
Strap material	Fluorelastomer	—
Water resistance	5 ATM	5 ATM
Ingress protection	IP6X	—
Water rating (maker)	50 m	—
Colours	Graphite, Gold, Silver	Elegant Black, Fashion Silver, Navy Blue, Beige
Display
Screen size	1.9″	1.39″
Display technology	OLED	AMOLED
Panel	Retina LTPO OLED	AMOLED
AMOLED / OLED display	Yes	Yes
Always-on display	Yes	—
Resolution (width)	396 px	454 px
Resolution (height)	484 px	454 px
Pixel density	326 ppi	326 ppi
Peak brightness	1,000 nits	450 nits
LTPO display	Yes	—
Refresh rate	60 Hz	60 Hz
Battery
Battery life (smartwatch mode)	0.8 days	—
Battery life (hours)	18 h	—
Battery capacity	309 mAh	420 mAh
Battery type	Li-Ion	Li-Ion
Wireless charging	Yes	Yes
Charged in 30 min	53%	—
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	Yes	—
Skin temperature	Yes	—
Sleep tracking	Yes	—
Sensors	Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max	Accelerometer, gyro, heart rate, barometer, compass, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Satellite systems	GLONASS, GALILEO, BDS, QZSS	GLONASS
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Multisport / triathlon mode	Yes	—
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	Yes	No
eSIM	Yes	No
Wi-Fi	Wi-Fi 4	—
Bluetooth	5	5
Ultra Wideband	Yes	—
Smart features
Calls from the wrist	Yes	—
Speaker	Yes	Yes
Microphone	Yes	—
Voice assistant	Yes	—
Music on the watch	Yes	—
Storage	32 GB	—
RAM	1 GB	—
Platform
Operating system	watchOS 8.0	Proprietary OS
Platform	watchOS	Proprietary
Works with	iOS	—
Chipset	Apple S7	—