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Watch Series 7 Aluminum vs Watch

Apple Watch Series 7 Aluminum vs OPPO Watch

What Watch Series 7 Aluminum does better (3) and where Watch wins (1) — every spec side by side.

Apple · 2021Watch Series 7 Aluminum

9.1Score

3 advantages≈ $540

OPPO · 2020Watch

9.5Score

1 advantage≈ $110

Higher score

7.2Display9.5

8.0Sports & outdoor8.0

9.0Smart features9.0

8.3Build & durability6.5

Dimensions

Size comparison

Watch Series 7 AluminumWatch

	Watch Series 7 Aluminum	Watch	Difference
Height	45 mm	46 mm	−1 mm
Width	38 mm	39 mm	−1 mm
Thickness	10.7 mm	11.4 mm	−0.7 mm
Weight	32 g	40 g	−8 g

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

Why is Watch Series 7 Aluminum better than Watch?

Storage32 GB vs 8 GB4×
Weight32 g vs 40 g+25%
Thickness10.7 mm vs 11.4 mm+7%

Why is Watch better than Watch Series 7 Aluminum?

Battery capacity309 mAh vs 430 mAh+39%

Specifications

Side by side

Only differences	Apple Watch Series 7 Aluminum≈ $5409.1	OPPO Watch≈ $1109.5
Design & durability
Case size	45 mm	46 mm
Weight	32 g	40 g
Thickness	10.7 mm	11.4 mm
Height	45 mm	46 mm
Width	38 mm	39 mm
Case material	Aluminium	Stainless steel
Sapphire crystal	Yes	Yes
Lens / cover glass	Ion-X strengthened glass	Schott Xensation Up (46mm), Corning Gorilla Glass (41mm)
Water resistance	5 ATM	5 ATM
Ingress protection	IP6X	—
Colours	Starlight, Midnight, Blue, Green, Red	Black, Glossy Gold, Pink Gold, Silver Mist
Display
Screen size	1.9″	1.91″
Display technology	OLED	AMOLED
Panel	Retina LTPO OLED	AMOLED
AMOLED / OLED display	Yes	Yes
Resolution (width)	396 px	402 px
Resolution (height)	484 px	476 px
Pixel density	326 ppi	326 ppi
Peak brightness	1,000 nits	—
LTPO display	Yes	—
Refresh rate	60 Hz	60 Hz
Battery
Battery capacity	309 mAh	430 mAh
Battery type	Li-Ion	Li-Ion
Wireless charging	Yes	—
Charged in 30 min	53%	—
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	—
ECG	Yes	—
Sleep tracking	—	Yes
Sensors	Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max	Accelerometer, gyro, heart rate, compass, barometer
Sports & navigation
Built-in GPS	Yes	Yes
Satellite systems	GLONASS, GALILEO, BDS, QZSS	GLONASS, BDS
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	Yes	Yes
eSIM	Yes	Yes
Wi-Fi	Wi-Fi 4	Wi-Fi 4
Bluetooth	5	4.2
Ultra Wideband	Yes	—
Smart features
Speaker	Yes	Yes
Storage	32 GB	8 GB
RAM	1 GB	1 GB
Platform
Operating system	watchOS 8.0	Android Wear OS - International ColorOS Watch OS - China
Platform	watchOS	Android
Chipset	Apple S7	Qualcomm Snapdragon Wear 3100 - International