Screen size
J530—
M550—
Quick verdict
J530 leads the measured specs 2-1.
Measured wins
J530
2
spec wins
Overall winner
Ties
3
equal specs
M550
1
spec wins
Screen size
Technology
J530
GSM
M550
GSM
2G bands
J530
GSM 900 / 1800
M550
GSM 900 / 1800
GPRS
J530
No
M550
Class 8
EDGE
J530
No
M550
No
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
Announced
J530
2002, February
M550
2003, Q2
Status
J530
Discontinued
M550
Discontinued
Dimensions
J530
107 x 49 x 18 mm (4.21 x 1.93 x 0.71 in)
M550
82 x 45 x 20 mm, 68 cc (3.23 x 1.77 x 0.79 in)
Weight
J530
75 g (2.65 oz)
M550
77 g (2.72 oz)
SIM
J530
Mini-SIM
M550
Mini-SIM
Type
J530
Monochrome graphic
M550
CSTN, 4096 colors
Size
J530
M550
Resolution
J530
96 x 64 pixels, 6 lines, 3:2 ratio
M550
128 x 128 pixels, 1:1 ratio
Other
J530
Soft keys Downloadable screen graphics and logos
M550
Second display, inverse, 96 x 64 pixels
Card slot
J530
No
M550
No
Phonebook
J530
M550
500
Call records
J530
M550
10 dialed, 10 received, 10 missed calls
Other
J530
Message templates SMS smileys 20 voice dial numbers 60 sec voice memo
M550
Dynamic memory
Other
J530
No
M550
No
Loudspeaker
J530
No
M550
No
Alert types
J530
Vibration; Downloadable monophonic ringtones, composer
M550
Vibration; Downloadable polyphonic ringtones
3.5mm jack
J530
No
M550
No
WLAN
J530
No
M550
No
Bluetooth
J530
No
M550
No
Positioning
J530
No
M550
No
Radio
J530
No
M550
No
USB
J530
M550
Sensors
J530
M550
Messaging
J530
SMS, EMS
M550
SMS, EMS
Browser
J530
WAP 1.2.1
M550
WAP 1.2.1
Clock
J530
Yes
M550
Yes
Alarm
J530
Yes
M550
Yes
Games
J530
Downloadable
M550
3 - Ten Pin ,KombatClub and Splat
Java
J530
No
M550
No
Other
J530
Predictive text input Voice dial Voice memo Organizer User changeable front housing, back housing and keypad
M550
Predictive text input
Type
J530
Removable Li-Ion battery
M550
Removable Li-Ion battery
Stand-by
J530
up to 230 h
M550
180 h - 400 h
Talk time
J530
up to 3 h
M550
2 h - 5 h
Colors
J530
Translucent Blue, Translucent Red, Translucent Grey
M550