Screen size
Galaxy Watch Ultra2Winner: 1.5"+6.7%
Galaxy Watch41.4"
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-2.
Measured wins
Galaxy Watch Ultra2
11
spec wins
Overall winner
Ties
5
equal specs
Galaxy Watch4
2
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
Galaxy Watch4
GSM / HSPA / LTE
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
Galaxy Watch4
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy Watch4
HSDPA 850 / 900 / 2100
4G bands
Galaxy Watch Ultra2
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Galaxy Watch4
1, 3, 5, 7, 8, 20
Speed
Galaxy Watch Ultra2
HSPA, LTE
Galaxy Watch4
HSPA, LTE
Announced
Galaxy Watch Ultra2
Not announced yet
Galaxy Watch4
2021, August 11
Status
Galaxy Watch Ultra2
Rumored
Galaxy Watch4
Available. Released 2021, August 27
Dimensions
Galaxy Watch Ultra2
-
Galaxy Watch4
44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)
Weight
Galaxy Watch Ultra2
-
Galaxy Watch4
30.3 g (44mm), 25.9 g (40mm) (1.06 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
Galaxy Watch4
Glass front (Gorilla Glass DX+), aluminum frame
SIM
Galaxy Watch Ultra2
eSIM
Galaxy Watch4
eSIM
Other
Galaxy Watch Ultra2
IP68 dust tight and water resistant (immersible up to 100m/10ATM for 10 min) MIL-STD-810H compliant ECG certified
Galaxy Watch4
MIL-STD-810G compliant* IP68 dust tight and water resistant (immersible up to 50m) Compatible with standard 20mm straps ECG certified Blood pressure monitor *does not guarantee ruggedness or use in extreme conditions
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
Galaxy Watch4
Super AMOLED
Size
Galaxy Watch Ultra2
1.5 inches
Galaxy Watch4
1.4 inches
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
Galaxy Watch4
450 x 450 pixels (~321 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
Galaxy Watch4
Corning Gorilla Glass DX+
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
Galaxy Watch4
Android Wear OS 4, upgradable to 6.0, One UI Watch 8
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
Galaxy Watch4
Exynos W920 (5 nm)
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Galaxy Watch4
Dual-core 1.18 GHz Cortex-A55
GPU
Galaxy Watch Ultra2
-
Galaxy Watch4
Mali-G68
Card slot
Galaxy Watch Ultra2
No
Galaxy Watch4
No
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
Galaxy Watch4
16GB 1.5GB RAM
Other
Galaxy Watch Ultra2
No
Galaxy Watch4
No
Loudspeaker
Galaxy Watch Ultra2
Yes
Galaxy Watch4
Yes
3.5mm jack
Galaxy Watch Ultra2
No
Galaxy Watch4
No
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Galaxy Watch4
Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
Galaxy Watch4
5.0, A2DP, LE
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
Galaxy Watch4
GPS, GLONASS, GALILEO, BDS
NFC
Galaxy Watch Ultra2
Yes
Galaxy Watch4
Yes
Radio
Galaxy Watch Ultra2
No
Galaxy Watch4
No
USB
Galaxy Watch Ultra2
No
Galaxy Watch4
No
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
Galaxy Watch4
Accelerometer, gyro, compass, barometer, heart rate, SpO2
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
Galaxy Watch4
Li-Ion 361 mAh
Charging
Galaxy Watch Ultra2
10W wireless
Galaxy Watch4
Wireless
Colors
Galaxy Watch Ultra2
Gray, Green
Galaxy Watch4
Black, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition
Models
Galaxy Watch Ultra2
SM-L715F
Galaxy Watch4
SM-R860, SM-R870
Price
Galaxy Watch Ultra2
About 750 EUR
Galaxy Watch4
About 110 EUR