Screen size
C520Winner: 1.7"+12%
Galaxy Watch91.5"
Quick verdict
Galaxy Watch9 leads the measured specs 11-4.
Measured wins
C520
4
spec wins
Ties
3
equal specs
Galaxy Watch9
11
spec wins
Overall winner
Screen size
Technology
C520
GSM
Galaxy Watch9
GSM / HSPA / LTE
2G bands
C520
GSM 900 / 1800
Galaxy Watch9
GSM 850 / 900 / 1800 / 1900
GPRS
C520
Class 10
Galaxy Watch9
-
EDGE
C520
No
Galaxy Watch9
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 Watch9
HSDPA 850 / 900 / 2100
4G bands
C520
-
Galaxy Watch9
LTE
Speed
C520
-
Galaxy Watch9
HSPA, LTE
Announced
C520
2007, April
Galaxy Watch9
Not announced yet
Status
C520
Discontinued
Galaxy Watch9
Rumored
Dimensions
C520
84.4 x 45.1 x 18.2 mm (3.32 x 1.78 x 0.72 in)
Galaxy Watch9
-
Weight
C520
74 g (2.61 oz)
Galaxy Watch9
-
SIM
C520
Mini-SIM
Galaxy Watch9
eSIM
Build
C520
-
Galaxy Watch9
Glass front (Sapphire crystal), aluminum frame
Other
C520
-
Galaxy Watch9
MIL-STD-810H compliant* IP68 dust tight and water resistant (immersible up to 50m/5ATM) ECG certified Blood pressure monitor Armor aluminum 2 frame *does not guarantee ruggedness or use in extreme conditions
Type
C520
TFT, 65K colors
Galaxy Watch9
Super AMOLED, 3000 nits (peak)
Size
C520
1.67 inches, 8.8 cm2 (~23.1% screen-to-body ratio)
Galaxy Watch9
1.47 inches
Resolution
C520
128 x 160 pixels (~123 ppi density)
Galaxy Watch9
480 x 480 pixels (~327 ppi density)
Protection
C520
-
Galaxy Watch9
Sapphire crystal
Card slot
C520
No
Galaxy Watch9
No
Phonebook
C520
500 entries
Galaxy Watch9
-
Call records
C520
20 dialed, 20 received, 20 missed calls
Galaxy Watch9
-
Internal
C520
600 KB
Galaxy Watch9
32GB 2GB RAM
Single
C520
VGA
Galaxy Watch9
-
Video
C520
No
Galaxy Watch9
-
Other
C520
No
Galaxy Watch9
-
Loudspeaker
C520
Yes
Galaxy Watch9
Yes
Alert types
C520
Vibration; Downloadable polyphonic ringtones
Galaxy Watch9
-
3.5mm jack
C520
No
Galaxy Watch9
No
WLAN
C520
No
Galaxy Watch9
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
C520
No
Galaxy Watch9
6.0, A2DP, LE
Positioning
C520
No
Galaxy Watch9
GPS (L1+L5), GLONASS, GALILEO, BDS
Radio
C520
FM radio
Galaxy Watch9
No
USB
C520
Proprietary
Galaxy Watch9
No
NFC
C520
-
Galaxy Watch9
Yes
Sensors
C520
Galaxy Watch9
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index
Messaging
C520
SMS, MMS
Galaxy Watch9
-
Browser
C520
WAP 2.0/xHTML
Galaxy Watch9
-
Games
C520
Yes
Galaxy Watch9
-
Java
C520
Yes, MIDP 2.0
Galaxy Watch9
-
Other
C520
Predictive text input Organizer
Galaxy Watch9
-
Type
C520
Removable Li-Ion 750 mAh battery
Galaxy Watch9
Li-Ion 445 mAh
Stand-by
C520
Up to 220 h
Galaxy Watch9
-
Talk time
C520
Up to 2 h 30 min
Galaxy Watch9
-
Charging
C520
-
Galaxy Watch9
10W wireless
Colors
C520
White, Red, Black
Galaxy Watch9
Silver; other colors
SAR EU
C520
0.92 W/kg (head)
Galaxy Watch9
-
Price
C520
About 80 EUR
Galaxy Watch9
-
OS
C520
-
Galaxy Watch9
Android Wear OS 6, One UI Watch 9
Chipset
C520
-
Galaxy Watch9
Snapdragon SW6100 Wear Elite (3 nm)
CPU
C520
-
Galaxy Watch9
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Other
C520
-
Galaxy Watch9
No