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Watch Series 12 Aluminum vs Watch Ultra

Apple Watch Series 12 Aluminum vs Motorola Watch Ultra

What Watch Series 12 Aluminum does better (4) and where Watch Ultra wins (4) — every spec side by side.

Apple · 2026Watch Series 12 Aluminum

9.0Score

4 advantages≈ $460

Higher score

Motorola · 2026Watch Ultra

8.7Score

4 advantages≈ $460

8.8Display9.2

9.2Health tracking5.0

8.0Sports & outdoor4.7

9.0Smart features9.0

5.7Build & durability3.8

Dimensions

Size comparison

Watch Series 12 AluminumWatch Ultra

	Watch Series 12 Aluminum	Watch Ultra	Difference
Height	46 mm	46.3 mm	−0.3 mm
Width	40 mm	46.3 mm	−6.3 mm
Thickness	9.7 mm	12.1 mm	−2.4 mm
Weight	40 g	51 g	−12 g

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

Why is Watch Series 12 Aluminum better than Watch Ultra?

Screen size1.96″ vs 1.5″+31%
Weight39.5 g vs 51 g+29%
Storage64 GB vs 32 GB2×
Thickness9.7 mm vs 12.1 mm+25%

Why is Watch Ultra better than Watch Series 12 Aluminum?

Peak brightness2,000 nits vs 2,700 nits+35%
Battery capacity377 mAh vs 550 mAh+46%
Pixel density326 ppi vs 439 ppi+35%
Resolution (width)416 px vs 466 px+12%

Specifications

Side by side

Only differences	Apple Watch Series 12 Aluminum≈ $4609.0	Motorola Watch Ultra≈ $4608.7
Design & durability
Case size	46 mm	46 mm
Weight	39.5 g	51 g
Thickness	9.7 mm	12.1 mm
Height	46 mm	46.3 mm
Width	40 mm	46.3 mm
Lens / cover glass	Ceramic Shield 2	Corning Gorilla Glass 3
Water resistance	5 ATM	5 ATM
Ingress protection	IP6X	IP68
Water resistance (IPx)	—	IPx8
Colours	Dark Bronze, Light Gold, Black, Space Gray	Black, Silver
Display
Screen size	1.96″	1.5″
Display technology	OLED	OLED
Panel	Retina LTPO3 OLED	LTPO pOLED
AMOLED / OLED display	Yes	Yes
Resolution (width)	416 px	466 px
Resolution (height)	496 px	466 px
Pixel density	326 ppi	439 ppi
Peak brightness	2,000 nits	2,700 nits
LTPO display	Yes	Yes
Refresh rate	60 Hz	60 Hz
Battery
Battery capacity	377 mAh	550 mAh
Battery type	Li-Ion	—
Wireless charging	Yes	—
Charged in 30 min	80%	—
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	Yes	—
Skin temperature	Yes	—
Temperature sensor	Yes	—
Sensors	Accelerometer, gyro, always-on heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)	Accelerometer, gyro, heart rate, compass, barometer, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	—	Yes
Satellite systems	GLONASS, GALILEO, BDS, QZSS	—
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	5.3	5.3
Ultra Wideband	Yes	—
Smart features
Speaker	Yes	Yes
Storage	64 GB	32 GB
RAM	—	2 GB
Platform
Operating system	watchOS 27	Android Wear OS 6
Platform	watchOS	Android
Chipset	Apple S11	Qualcomm Snapdragon W5+ Gen 1