Screen size
Galaxy Watch Ultra21.5"
SerenataWinner: 2.3"+34%
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-5.
Measured wins
Galaxy Watch Ultra2
11
spec wins
Overall winner
Ties
3
equal specs
Serenata
5
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
Serenata
GSM / HSPA
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
Serenata
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Serenata
HSDPA 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
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Serenata
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
Serenata
HSPA
Announced
Galaxy Watch Ultra2
Not announced yet
Serenata
2007, October. Released 2007, November
Status
Galaxy Watch Ultra2
Rumored
Serenata
Discontinued
Dimensions
Galaxy Watch Ultra2
-
Serenata
109.5 x 63 x 19.7 mm (4.31 x 2.48 x 0.78 in)
Weight
Galaxy Watch Ultra2
-
Serenata
136 g (4.80 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
Serenata
-
SIM
Galaxy Watch Ultra2
eSIM
Serenata
Mini-SIM
Other
Galaxy Watch Ultra2
IP68 dust tight and water resistant (immersible up to 100m/10ATM for 10 min) MIL-STD-810H compliant ECG certified
Serenata
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
Serenata
TFT resistive touchscreen, 256K colors
Size
Galaxy Watch Ultra2
1.5 inches
Serenata
2.26 inches, 16.5 cm2 (~23.9% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
Serenata
240 x 240 pixels, 1:1 ratio (~150 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
Serenata
-
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
Serenata
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
Serenata
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Serenata
-
Card slot
Galaxy Watch Ultra2
No
Serenata
No
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
Serenata
4GB
Phonebook
Galaxy Watch Ultra2
-
Serenata
1000 entries
Call records
Galaxy Watch Ultra2
-
Serenata
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch Ultra2
No
Serenata
No
Loudspeaker
Galaxy Watch Ultra2
Yes
Serenata
Yes
3.5mm jack
Galaxy Watch Ultra2
No
Serenata
No
Alert types
Galaxy Watch Ultra2
-
Serenata
Vibration; Polyphonic(64) ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Serenata
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
Serenata
2.0, A2DP
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
Serenata
No
NFC
Galaxy Watch Ultra2
Yes
Serenata
-
Radio
Galaxy Watch Ultra2
No
Serenata
No
USB
Galaxy Watch Ultra2
No
Serenata
2.0
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
Serenata
Messaging
Galaxy Watch Ultra2
-
Serenata
SMS, MMS, Email
Browser
Galaxy Watch Ultra2
-
Serenata
WAP 2.0/xHTML
Games
Galaxy Watch Ultra2
-
Serenata
No
Java
Galaxy Watch Ultra2
-
Serenata
No
Other
Galaxy Watch Ultra2
-
Serenata
MP3/AAC/WMA player Organizer Voice memo World time
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
Serenata
Removable Li-Ion 1000 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
Serenata
-
Stand-by
Galaxy Watch Ultra2
-
Serenata
Up to 280 h
Talk time
Galaxy Watch Ultra2
-
Serenata
Up to 3 h
Music play
Galaxy Watch Ultra2
-
Serenata
Up to 13 h (headset) / Up to 5 h (speaker)
Colors
Galaxy Watch Ultra2
Gray, Green
Serenata
Black
Models
Galaxy Watch Ultra2
SM-L715F
Serenata
-
Price
Galaxy Watch Ultra2
About 750 EUR
Serenata
About 1000 EUR
SAR
Galaxy Watch Ultra2
-
Serenata
0.46 W/kg (head) 0.58 W/kg (body)