Screen size
Galaxy Watch Ultra21.5"
X630Winner: 1.7"+12%
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-3.
Measured wins
Galaxy Watch Ultra2
11
spec wins
Overall winner
Ties
4
equal specs
X630
3
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
X630
GSM
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
X630
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
X630
-
4G bands
Galaxy Watch Ultra2
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
X630
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
X630
-
GPRS
Galaxy Watch Ultra2
-
X630
Class 10
EDGE
Galaxy Watch Ultra2
-
X630
Class 10
Announced
Galaxy Watch Ultra2
Not announced yet
X630
2006, Q2
Status
Galaxy Watch Ultra2
Rumored
X630
Discontinued
Dimensions
Galaxy Watch Ultra2
-
X630
104 x 43 x 19 mm (4.09 x 1.69 x 0.75 in)
Weight
Galaxy Watch Ultra2
-
X630
84 g (2.96 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
X630
-
SIM
Galaxy Watch Ultra2
eSIM
X630
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
X630
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
X630
TFT, 65K colors
Size
Galaxy Watch Ultra2
1.5 inches
X630
1.7 inches, 9.1 cm2 (~20.3% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
X630
128 x 160 pixels (~121 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
X630
-
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
X630
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
X630
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
X630
-
Card slot
Galaxy Watch Ultra2
No
X630
No
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
X630
28MB
Phonebook
Galaxy Watch Ultra2
-
X630
1000 entries, Photocall
Call records
Galaxy Watch Ultra2
-
X630
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch Ultra2
No
X630
-
Loudspeaker
Galaxy Watch Ultra2
Yes
X630
Yes
3.5mm jack
Galaxy Watch Ultra2
No
X630
No
Alert types
Galaxy Watch Ultra2
-
X630
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
X630
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
X630
Yes
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
X630
No
NFC
Galaxy Watch Ultra2
Yes
X630
-
Radio
Galaxy Watch Ultra2
No
X630
Stereo FM radio
USB
Galaxy Watch Ultra2
No
X630
Proprietary
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
X630
Messaging
Galaxy Watch Ultra2
-
X630
SMS, EMS, MMS
Browser
Galaxy Watch Ultra2
-
X630
WAP 2.0/xHTML
Games
Galaxy Watch Ultra2
-
X630
Java
Galaxy Watch Ultra2
-
X630
Yes, MIDP 2.0
Other
Galaxy Watch Ultra2
-
X630
MP3 player Predictive text input Organizer Voice memo
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
X630
Removable Li-Ion 800 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
X630
-
Stand-by
Galaxy Watch Ultra2
-
X630
Up to 350 h
Talk time
Galaxy Watch Ultra2
-
X630
Up to 2 h 15 min
Colors
Galaxy Watch Ultra2
Gray, Green
X630
Black, Blue, Titan Silver
Models
Galaxy Watch Ultra2
SM-L715F
X630
-
Price
Galaxy Watch Ultra2
About 750 EUR
X630
-
SAR
Galaxy Watch Ultra2
-
X630
1.26 W/kg (head) 0.49 W/kg (body)
SAR EU
Galaxy Watch Ultra2
-
X630
0.52 W/kg (head)
Single
Galaxy Watch Ultra2
-
X630
VGA
Video
Galaxy Watch Ultra2
-
X630
Yes
Other
Galaxy Watch Ultra2
-
X630
No