Screen size
Galaxy Watch Ultra21.5"
X510Winner: 1.8"+17%
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
X510
3
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
X510
GSM
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
X510
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
X510
-
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
X510
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
X510
-
GPRS
Galaxy Watch Ultra2
-
X510
Class 10
EDGE
Galaxy Watch Ultra2
-
X510
No
Announced
Galaxy Watch Ultra2
Not announced yet
X510
2006, October
Status
Galaxy Watch Ultra2
Rumored
X510
Discontinued
Dimensions
Galaxy Watch Ultra2
-
X510
88 x 44 x 19 mm (3.46 x 1.73 x 0.75 in)
Weight
Galaxy Watch Ultra2
-
X510
75 g (2.65 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
X510
-
SIM
Galaxy Watch Ultra2
eSIM
X510
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
X510
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
X510
UFB, 65K colors
Size
Galaxy Watch Ultra2
1.5 inches
X510
1.8 inches, 28 x 35 mm, 10.2 cm2 (~26.3% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
X510
128 x 160 pixels (~114 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
X510
-
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
X510
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
X510
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
X510
-
Card slot
Galaxy Watch Ultra2
No
X510
No
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
X510
-
Phonebook
Galaxy Watch Ultra2
-
X510
500 entries
Call records
Galaxy Watch Ultra2
-
X510
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch Ultra2
-
X510
1 MB for pictures 600 KB for ringtones 100 KB for voice memo 700 KB for MMS 512 KB for Java
Other
Galaxy Watch Ultra2
No
X510
-
Loudspeaker
Galaxy Watch Ultra2
Yes
X510
Yes
3.5mm jack
Galaxy Watch Ultra2
No
X510
No
Alert types
Galaxy Watch Ultra2
-
X510
Vibration; Downloadable polyphonic ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
X510
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
X510
No
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
X510
No
NFC
Galaxy Watch Ultra2
Yes
X510
-
Radio
Galaxy Watch Ultra2
No
X510
No
USB
Galaxy Watch Ultra2
No
X510
No
Infrared port
Galaxy Watch Ultra2
-
X510
Yes
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
X510
Messaging
Galaxy Watch Ultra2
-
X510
SMS, EMS, MMS
Browser
Galaxy Watch Ultra2
-
X510
WAP 1.2
Games
Galaxy Watch Ultra2
-
X510
Yes
Java
Galaxy Watch Ultra2
-
X510
Yes, MIDP 2.0
Other
Galaxy Watch Ultra2
-
X510
Predictive text input Organizer Voice memo
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
X510
Removable Li-Ion 800 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
X510
-
Stand-by
Galaxy Watch Ultra2
-
X510
Up to 320 h
Talk time
Galaxy Watch Ultra2
-
X510
Up to 4 h
Colors
Galaxy Watch Ultra2
Gray, Green
X510
Gold, Blue, Black, Red
Models
Galaxy Watch Ultra2
SM-L715F
X510
-
Price
Galaxy Watch Ultra2
About 750 EUR
X510
-
SAR
Galaxy Watch Ultra2
-
X510
0.64 W/kg (head) 0.63 W/kg (body)
SAR EU
Galaxy Watch Ultra2
-
X510
0.78 W/kg (head)
Single
Galaxy Watch Ultra2
-
X510
VGA
Video
Galaxy Watch Ultra2
-
X510
No
Other
Galaxy Watch Ultra2
-
X510
No