Screen size
C520Winner: 1.7"+10%
Galaxy Watch Ultra21.5"
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 12-3.
Measured wins
C520
3
spec wins
Ties
3
equal specs
Galaxy Watch Ultra2
12
spec wins
Overall winner
Screen size
Technology
C520
GSM
Galaxy Watch Ultra2
GSM / HSPA / LTE
2G bands
C520
GSM 900 / 1800
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
GPRS
C520
Class 10
Galaxy Watch Ultra2
-
EDGE
C520
No
Galaxy Watch Ultra2
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
-
3G bands
C520
-
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
C520
-
Galaxy Watch Ultra2
LTE
Speed
C520
-
Galaxy Watch Ultra2
HSPA, LTE
Announced
C520
2007, April
Galaxy Watch Ultra2
Not announced yet
Status
C520
Discontinued
Galaxy Watch Ultra2
Rumored
Dimensions
C520
84.4 x 45.1 x 18.2 mm (3.32 x 1.78 x 0.72 in)
Galaxy Watch Ultra2
-
Weight
C520
74 g (2.61 oz)
Galaxy Watch Ultra2
-
SIM
C520
Mini-SIM
Galaxy Watch Ultra2
eSIM
Build
C520
-
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
Other
C520
-
Galaxy Watch Ultra2
IP68 dust tight and water resistant (immersible up to 100m/10ATM for 10 min) MIL-STD-810H compliant ECG certified
Type
C520
TFT, 65K colors
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
Size
C520
1.67 inches, 8.8 cm2 (~23.1% screen-to-body ratio)
Galaxy Watch Ultra2
1.5 inches
Resolution
C520
128 x 160 pixels (~123 ppi density)
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
Protection
C520
-
Galaxy Watch Ultra2
Sapphire crystal glass
Card slot
C520
No
Galaxy Watch Ultra2
No
Phonebook
C520
500 entries
Galaxy Watch Ultra2
-
Call records
C520
20 dialed, 20 received, 20 missed calls
Galaxy Watch Ultra2
-
Internal
C520
600 KB
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
Single
C520
VGA
Galaxy Watch Ultra2
-
Video
C520
No
Galaxy Watch Ultra2
-
Other
C520
No
Galaxy Watch Ultra2
-
Loudspeaker
C520
Yes
Galaxy Watch Ultra2
Yes
Alert types
C520
Vibration; Downloadable polyphonic ringtones
Galaxy Watch Ultra2
-
3.5mm jack
C520
No
Galaxy Watch Ultra2
No
WLAN
C520
No
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
C520
No
Galaxy Watch Ultra2
6.0, A2DP, LE
Positioning
C520
No
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
Radio
C520
FM radio
Galaxy Watch Ultra2
No
USB
C520
Proprietary
Galaxy Watch Ultra2
No
NFC
C520
-
Galaxy Watch Ultra2
Yes
Sensors
C520
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
Messaging
C520
SMS, MMS
Galaxy Watch Ultra2
-
Browser
C520
WAP 2.0/xHTML
Galaxy Watch Ultra2
-
Games
C520
Yes
Galaxy Watch Ultra2
-
Java
C520
Yes, MIDP 2.0
Galaxy Watch Ultra2
-
Other
C520
Predictive text input Organizer
Galaxy Watch Ultra2
-
Type
C520
Removable Li-Ion 750 mAh battery
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
Stand-by
C520
Up to 220 h
Galaxy Watch Ultra2
-
Talk time
C520
Up to 2 h 30 min
Galaxy Watch Ultra2
-
Charging
C520
-
Galaxy Watch Ultra2
10W wireless
Colors
C520
White, Red, Black
Galaxy Watch Ultra2
Gray, Green
SAR EU
C520
0.92 W/kg (head)
Galaxy Watch Ultra2
-
Price
C520
About 80 EUR
Galaxy Watch Ultra2
About 750 EUR
Models
C520
-
Galaxy Watch Ultra2
SM-L715F
OS
C520
-
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
Chipset
C520
-
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
CPU
C520
-
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Other
C520
-
Galaxy Watch Ultra2
No