Screen size
Galaxy Watch91.5"
X520Winner: 1.9"+23%
Quick verdict
Galaxy Watch9 leads the measured specs 11-4.
Measured wins
Galaxy Watch9
11
spec wins
Overall winner
Ties
3
equal specs
X520
4
spec wins
Screen size
Technology
Galaxy Watch9
GSM / HSPA / LTE
X520
GSM
2G bands
Galaxy Watch9
GSM 850 / 900 / 1800 / 1900
X520
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch9
HSDPA 850 / 900 / 2100
X520
-
4G bands
Galaxy Watch9
LTE
X520
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
-
Speed
Galaxy Watch9
HSPA, LTE
X520
-
GPRS
Galaxy Watch9
-
X520
Class 10
EDGE
Galaxy Watch9
-
X520
No
Announced
Galaxy Watch9
Not announced yet
X520
2006, October
Status
Galaxy Watch9
Rumored
X520
Discontinued
Dimensions
Galaxy Watch9
-
X520
89 x 42 x 18 mm (3.50 x 1.65 x 0.71 in)
Weight
Galaxy Watch9
-
X520
80 g (2.82 oz)
Build
Galaxy Watch9
Glass front (Sapphire crystal), aluminum frame
X520
-
SIM
Galaxy Watch9
eSIM
X520
Mini-SIM
Other
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
X520
-
Type
Galaxy Watch9
Super AMOLED, 3000 nits (peak)
X520
TFT, 65K colors
Size
Galaxy Watch9
1.47 inches
X520
1.9 inches, 11.4 cm2 (~30.4% screen-to-body ratio)
Resolution
Galaxy Watch9
480 x 480 pixels (~327 ppi density)
X520
128 x 160 pixels (~108 ppi density)
Protection
Galaxy Watch9
Sapphire crystal
X520
-
OS
Galaxy Watch9
Android Wear OS 6, One UI Watch 9
X520
-
Chipset
Galaxy Watch9
Snapdragon SW6100 Wear Elite (3 nm)
X520
-
CPU
Galaxy Watch9
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
X520
-
Card slot
Galaxy Watch9
No
X520
No
Internal
Galaxy Watch9
32GB 2GB RAM
X520
2.8MB
Phonebook
Galaxy Watch9
-
X520
Yes, 1000 entries
Call records
Galaxy Watch9
-
X520
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch9
No
X520
-
Loudspeaker
Galaxy Watch9
Yes
X520
Yes
3.5mm jack
Galaxy Watch9
No
X520
No
Alert types
Galaxy Watch9
-
X520
Vibration; Downloadable polyphonic ringtones
WLAN
Galaxy Watch9
Wi-Fi 802.11 a/b/g/n/ac, dual-band
X520
No
Bluetooth
Galaxy Watch9
6.0, A2DP, LE
X520
No
Positioning
Galaxy Watch9
GPS (L1+L5), GLONASS, GALILEO, BDS
X520
No
NFC
Galaxy Watch9
Yes
X520
-
Radio
Galaxy Watch9
No
X520
Stereo FM radio
USB
Galaxy Watch9
No
X520
Proprietary
Infrared port
Galaxy Watch9
-
X520
Yes
Sensors
Galaxy Watch9
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index
X520
Messaging
Galaxy Watch9
-
X520
SMS, EMS, MMS
Browser
Galaxy Watch9
-
X520
WAP 1.2/xHTML
Games
Galaxy Watch9
-
X520
Yes + downloadable
Java
Galaxy Watch9
-
X520
Yes, MIDP 2.0
Other
Galaxy Watch9
-
X520
IrDA for Phonebook contacts only Predictive text input Organizer Voice memo
Type
Galaxy Watch9
Li-Ion 445 mAh
X520
Removable Li-Ion 750 mAh battery
Charging
Galaxy Watch9
10W wireless
X520
-
Stand-by
Galaxy Watch9
-
X520
Up to 310 h
Talk time
Galaxy Watch9
-
X520
Up to 6 h 20 min
Colors
Galaxy Watch9
Silver; other colors
X520
Black, Blue, Red, Green
SAR
Galaxy Watch9
-
X520
1.36 W/kg (head) 0.24 W/kg (body)
SAR EU
Galaxy Watch9
-
X520
0.85 W/kg (head)
Price
Galaxy Watch9
-
X520
About 70 EUR
Single
Galaxy Watch9
-
X520
VGA
Video
Galaxy Watch9
-
X520
No
Other
Galaxy Watch9
-
X520
No