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Watch Ultra 2 vs Watch Ultra 3

Apple Watch Ultra 2 vs Apple Watch Ultra 3

What Watch Ultra 2 does better (1) and where Watch Ultra 3 wins (5) — every spec side by side.

Apple · 2023Watch Ultra 2

7.5Score

1 advantage≈ $470

Higher score

Apple · 2025Watch Ultra 3

7.4Score

5 advantages≈ $200

9.4Display9.3

3.4Battery life3.4

8.6Health tracking8.6

3.1Sports & outdoor3.1

7.9Smart features7.9

9.6Build & durability9.6

Dimensions

Size comparison

Watch Ultra 2Watch Ultra 3

	Watch Ultra 2	Watch Ultra 3	Difference
Height	49 mm	49 mm	=
Width	44 mm	44 mm	=
Thickness	14.4 mm	12 mm	+2.4 mm
Weight	61 g	62 g	=

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

Why is Watch Ultra 2 better than Watch Ultra 3?

Pixel density338 ppi vs 326 ppi+4%

Why is Watch Ultra 3 better than Watch Ultra 2?

Screen size1.92″ vs 1.98″+3%
Charged in 30 min40% vs 53%+32%
Thickness14.4 mm vs 12 mm+20%
Battery capacity564 mAh vs 599 mAh+6%
Resolution (width)410 px vs 422 px+3%

Specifications

Side by side

Only differences	Apple Watch Ultra 2≈ $4707.5	Apple Watch Ultra 3≈ $2007.4
Design & durability
Case size	49 mm	49 mm
Weight	61.4 g	61.6 g
Thickness	14.4 mm	12 mm
Height	49 mm	49 mm
Width	44 mm	44 mm
Case material	Titanium	Titanium
Sapphire crystal	Yes	Yes
Lens / cover glass	Sapphire crystal glass	Sapphire crystal glass
Strap material	Textil	—
Water resistance	10 ATM	10 ATM
Ingress protection	IP6X	IP6X
Water rating (maker)	100 m	100 m
Military-grade (MIL-STD-810)	Yes	Yes
Colours	Titanium, Black	Natural, Black
Display
Screen size	1.92″	1.98″
Display technology	OLED	OLED
Panel	Retina LTPO2 OLED	Retina LTPO3 OLED
AMOLED / OLED display	Yes	Yes
Always-on display	Yes	Yes
Touchscreen	Yes	Yes
Resolution (width)	410 px	422 px
Resolution (height)	502 px	514 px
Pixel density	338 ppi	326 ppi
Peak brightness	3,000 nits	3,000 nits
LTPO display	Yes	Yes
Refresh rate	60 Hz	60 Hz
Battery
Battery life (smartwatch mode)	1.5 days	1.5 days
Battery life (hours)	36 h	36 h
Battery capacity	564 mAh	599 mAh
Battery type	Li-Ion	Li-Ion
Wireless charging	Yes	Yes
Charged in 30 min	40%	53%
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	Yes	Yes
Skin temperature	Yes	Yes
Temperature sensor	Yes	Yes
Sleep tracking	Yes	Yes
Sensors	Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water)	Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water)
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	Yes	Yes
Satellite systems	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS, QZSS
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Multisport / triathlon mode	Yes	Yes
Dive mode	Yes	Yes
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	Yes	Yes
eSIM	Yes	Yes
Satellite messaging	—	Yes
Wi-Fi	Wi-Fi 4	Wi-Fi 4
Bluetooth	5.3	5.3
Ultra Wideband	Yes	Yes
Smart features
Calls from the wrist	Yes	Yes
Speaker	Yes	Yes
Microphone	Yes	Yes
Voice assistant	Yes	Yes
Music on the watch	Yes	Yes
Storage	64 GB	64 GB
Platform
Operating system	watchOS 10	watchOS 26
Platform	watchOS	watchOS
Works with	iOS	iOS
Chipset	Apple S9	Apple S10