Screen size
Galaxy Watch Ultra21.5"
X620Winner: 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
X620
3
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
X620
GSM
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
X620
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
X620
-
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
X620
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
X620
-
GPRS
Galaxy Watch Ultra2
-
X620
Class 10
EDGE
Galaxy Watch Ultra2
-
X620
No
Announced
Galaxy Watch Ultra2
Not announced yet
X620
2005, Q1
Status
Galaxy Watch Ultra2
Rumored
X620
Discontinued
Dimensions
Galaxy Watch Ultra2
-
X620
106 x 45.5 x 20 mm (4.17 x 1.79 x 0.79 in)
Weight
Galaxy Watch Ultra2
-
X620
71 g (2.50 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
X620
-
SIM
Galaxy Watch Ultra2
eSIM
X620
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
X620
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
X620
TFT, 65K colors
Size
Galaxy Watch Ultra2
1.5 inches
X620
1.7 inches, 9.1 cm2 (~18.9% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
X620
128 x 160 pixels (~121 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
X620
-
Other
Galaxy Watch Ultra2
-
X620
Four way navigation keys
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
X620
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
X620
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
X620
-
Card slot
Galaxy Watch Ultra2
No
X620
No
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
X620
3MB
Phonebook
Galaxy Watch Ultra2
-
X620
500 x 10 fields, Photo call
Call records
Galaxy Watch Ultra2
-
X620
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch Ultra2
-
X620
200 short messages
Other
Galaxy Watch Ultra2
No
X620
-
Loudspeaker
Galaxy Watch Ultra2
Yes
X620
Yes
3.5mm jack
Galaxy Watch Ultra2
No
X620
No
Alert types
Galaxy Watch Ultra2
-
X620
Vibration; Downloadable polyphonic ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
X620
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
X620
No
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
X620
No
NFC
Galaxy Watch Ultra2
Yes
X620
-
Radio
Galaxy Watch Ultra2
No
X620
FM radio
USB
Galaxy Watch Ultra2
No
X620
Infrared port
Galaxy Watch Ultra2
-
X620
Yes
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
X620
Messaging
Galaxy Watch Ultra2
-
X620
SMS, EMS, MMS
Browser
Galaxy Watch Ultra2
-
X620
WAP 2.0/xHTML
Games
Galaxy Watch Ultra2
-
X620
2 - Snowball Fight, Bubble Smile
Java
Galaxy Watch Ultra2
-
X620
Yes, MIDP 2.0
Other
Galaxy Watch Ultra2
-
X620
MP3 and AAC player Sound recorder Predictive text input SyncML Voice dial Organizer Xpress-on covers
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
X620
Removable Li-Ion 800 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
X620
-
Stand-by
Galaxy Watch Ultra2
-
X620
Up to 300 h
Talk time
Galaxy Watch Ultra2
-
X620
Up to 6 h 30 min
Colors
Galaxy Watch Ultra2
Gray, Green
X620
Models
Galaxy Watch Ultra2
SM-L715F
X620
-
Price
Galaxy Watch Ultra2
About 750 EUR
X620
-
SAR EU
Galaxy Watch Ultra2
-
X620
1.13 W/kg (head)
Single
Galaxy Watch Ultra2
-
X620
VGA
Video
Galaxy Watch Ultra2
-
X620
No
Other
Galaxy Watch Ultra2
-
X620
No