Screen size
Galaxy Watch Ultra21.5"
X100Winner: 1.7"+12%
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-4.
Measured wins
Galaxy Watch Ultra2
11
spec wins
Overall winner
Ties
3
equal specs
X100
4
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
X100
GSM
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
X100
GSM 900 / 1800
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
X100
-
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
X100
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
X100
-
GPRS
Galaxy Watch Ultra2
-
X100
Class 10
EDGE
Galaxy Watch Ultra2
-
X100
No
Announced
Galaxy Watch Ultra2
Not announced yet
X100
2003, Q3
Status
Galaxy Watch Ultra2
Rumored
X100
Discontinued
Dimensions
Galaxy Watch Ultra2
-
X100
110 x 45 x 20 mm (4.33 x 1.77 x 0.79 in)
Weight
Galaxy Watch Ultra2
-
X100
83 g (2.93 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
X100
-
SIM
Galaxy Watch Ultra2
eSIM
X100
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
X100
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
X100
CSTN, 65K colors
Size
Galaxy Watch Ultra2
1.5 inches
X100
1.7 inches, 9.3 cm2 (~18.8% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
X100
128 x 128 pixels, 4 lines, 1:1 ratio (~106 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
X100
-
Other
Galaxy Watch Ultra2
-
X100
Four way navigation keys Downloadable wallpapers and screensavers
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
X100
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
X100
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
X100
-
Card slot
Galaxy Watch Ultra2
No
X100
No
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
X100
-
Phonebook
Galaxy Watch Ultra2
-
X100
1000 x 6 fields
Call records
Galaxy Watch Ultra2
-
X100
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch Ultra2
-
X100
9 MB shared memory for MMS messages and tones 1.2 MB for Java Apps 200 short messages
Other
Galaxy Watch Ultra2
No
X100
No
Loudspeaker
Galaxy Watch Ultra2
Yes
X100
No
3.5mm jack
Galaxy Watch Ultra2
No
X100
No
Alert types
Galaxy Watch Ultra2
-
X100
Vibration; Downloadable polyphonic ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
X100
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
X100
No
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
X100
No
NFC
Galaxy Watch Ultra2
Yes
X100
-
Radio
Galaxy Watch Ultra2
No
X100
No
USB
Galaxy Watch Ultra2
No
X100
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
X100
Messaging
Galaxy Watch Ultra2
-
X100
SMS, EMS, MMS
Browser
Galaxy Watch Ultra2
-
X100
WAP 2.0/xHTML
Clock
Galaxy Watch Ultra2
-
X100
Yes
Alarm
Galaxy Watch Ultra2
-
X100
Yes
Games
Galaxy Watch Ultra2
-
X100
3 - Honey Ball, Go!Hamster, Bowling + Java
Java
Galaxy Watch Ultra2
-
X100
Yes
Other
Galaxy Watch Ultra2
-
X100
Predictive text input Organizer Voice memo
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
X100
Removable Li-Ion 900 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
X100
-
Stand-by
Galaxy Watch Ultra2
-
X100
Up to 360 h
Talk time
Galaxy Watch Ultra2
-
X100
Up to 5 h 30 min
Colors
Galaxy Watch Ultra2
Gray, Green
X100
Models
Galaxy Watch Ultra2
SM-L715F
X100
-
Price
Galaxy Watch Ultra2
About 750 EUR
X100
-
SAR EU
Galaxy Watch Ultra2
-
X100
0.76 W/kg (head)