Screen size
iPad Wi-FiWinner: 9.7"+80%
Watch Ultra 42.0"
Quick verdict
Watch Ultra 4 leads the measured specs 9-6.
Measured wins
iPad Wi-Fi
6
spec wins
Ties
1
equal specs
Watch Ultra 4
9
spec wins
Overall winner
Screen size
Technology
iPad Wi-Fi
No cellular connectivity
Watch Ultra 4
GSM / HSPA / LTE / 5G
2G bands
iPad Wi-Fi
N/A
Watch Ultra 4
GSM 850 / 900 / 1800 / 1900
GPRS
iPad Wi-Fi
No
Watch Ultra 4
-
EDGE
iPad Wi-Fi
No
Watch Ultra 4
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
3.5mm jack
SD card
equal specsStereo speakers
-
3G bands
iPad Wi-Fi
-
Watch Ultra 4
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
iPad Wi-Fi
-
Watch Ultra 4
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 53, 66, 71
5G bands
iPad Wi-Fi
-
Watch Ultra 4
1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 38, 40, 41, 53, 66, 71 SA/NSA
Speed
iPad Wi-Fi
-
Watch Ultra 4
HSPA, LTE, 5G
Announced
iPad Wi-Fi
2010, January. Released 2010, March
Watch Ultra 4
2026, September 09
Status
iPad Wi-Fi
Discontinued
Watch Ultra 4
Available. Released 2026, September 18
Dimensions
iPad Wi-Fi
242.8 x 189.7 x 13.4 mm (9.56 x 7.47 x 0.53 in)
Watch Ultra 4
49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)
Weight
iPad Wi-Fi
680 g (1.50 lb)
Watch Ultra 4
63 g (2.22 oz)
SIM
iPad Wi-Fi
No
Watch Ultra 4
eSIM
Build
iPad Wi-Fi
-
Watch Ultra 4
Sapphire crystal front, ceramic and zirconia back, titanium frame (grade 5)
Other
iPad Wi-Fi
-
Watch Ultra 4
IP6X certified 100m water resistant (22810:2010) 40m swimproof/diving (EN13319) MIL-STD-810H compliant ECG certified (region dependent SW application; HW available on all models)
Type
iPad Wi-Fi
IPS LCD
Watch Ultra 4
Retina LTPO3 OLED, 3000 nits (peak)
Size
iPad Wi-Fi
9.7 inches, 291.4 cm2 (~63.3% screen-to-body ratio)
Watch Ultra 4
1.98 inches
Resolution
iPad Wi-Fi
768 x 1024 pixels, 4:3 ratio (~132 ppi density)
Watch Ultra 4
514 x 422 pixels (~326 ppi density)
Protection
iPad Wi-Fi
Scratch-resistant glass, oleophobic coating
Watch Ultra 4
Sapphire crystal
Other
iPad Wi-Fi
-
Watch Ultra 4
Wide-angle OLED
OS
iPad Wi-Fi
iOS 4, upgradable to iOS 5.1.1
Watch Ultra 4
watchOS 27
Chipset
iPad Wi-Fi
Apple A4 (45 nm)
Watch Ultra 4
Apple S11
CPU
iPad Wi-Fi
1.0 GHz Cortex-A8
Watch Ultra 4
Dual-core
GPU
iPad Wi-Fi
PowerVR SGX535
Watch Ultra 4
PowerVR
Card slot
iPad Wi-Fi
No
Watch Ultra 4
No
Internal
iPad Wi-Fi
16GB 256MB RAM, 32GB 256MB RAM, 64GB 256MB RAM
Watch Ultra 4
64GB
Other
iPad Wi-Fi
No
Watch Ultra 4
No
Loudspeaker
iPad Wi-Fi
Yes
Watch Ultra 4
Yes, with dual speakers (86-decibel)
3.5mm jack
iPad Wi-Fi
Yes
Watch Ultra 4
No
WLAN
iPad Wi-Fi
Wi-Fi 802.11 a/b/g/n, dual-band
Watch Ultra 4
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
iPad Wi-Fi
2.1, A2DP, EDR
Watch Ultra 4
5.3, A2DP, LE
Positioning
iPad Wi-Fi
No
Watch Ultra 4
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Radio
iPad Wi-Fi
No
Watch Ultra 4
No
USB
iPad Wi-Fi
2.0
Watch Ultra 4
No
NFC
iPad Wi-Fi
-
Watch Ultra 4
Yes
Sensors
iPad Wi-Fi
Accelerometer
Watch Ultra 4
Accelerometer, gyro, always-on heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water)
Browser
iPad Wi-Fi
HTML (Safari)
Watch Ultra 4
-
Other
iPad Wi-Fi
MP3/WAV player MP4/H.264 player Document viewer
Watch Ultra 4
Health Sensing System: third‑generation electrical heart sensor, always‑on optical heart sensor, blood oxygen sensor, temperature sensor Temperature sensing (0.01˚ accuracy) Depth gauge (±1m accuracy) Ultra Wideband (UWB) support (gen2 chip) Emergency SOS via satellite
Type
iPad Wi-Fi
Non-removable Li-Po 6600 mAh battery (24.8 Wh)
Watch Ultra 4
Charging
iPad Wi-Fi
-
Watch Ultra 4
Wireless, 0-80% in 45 min
Colors
iPad Wi-Fi
Silver
Watch Ultra 4
Natural, Black
Models
iPad Wi-Fi
iPad1,1
Watch Ultra 4
A3579
Price
iPad Wi-Fi
About 310 EUR
Watch Ultra 4
€ 876.00