Screen size
M550—
S230—
Quick verdict
M550 leads the measured specs 3-0.
Measured wins
M550
3
spec wins
Overall winner
Ties
3
equal specs
S230
0
spec wins
Screen size
Technology
M550
GSM
S230
GSM
2G bands
M550
GSM 900 / 1800
S230
GSM 900 / 1800
GPRS
M550
Class 8
S230
No
EDGE
M550
No
S230
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
M550
2003, Q2
S230
2002, February
Status
M550
Discontinued
S230
Discontinued
Dimensions
M550
82 x 45 x 20 mm, 68 cc (3.23 x 1.77 x 0.79 in)
S230
115 x 50 x 24 mm (4.53 x 1.97 x 0.94 in)
Weight
M550
77 g (2.72 oz)
S230
98 g (3.46 oz)
SIM
M550
Mini-SIM
S230
Mini-SIM
Type
M550
CSTN, 4096 colors
S230
Monochrome graphic
Size
M550
S230
Resolution
M550
128 x 128 pixels, 1:1 ratio
S230
96 x 64 pixels, 6 lines, 3:2 ratio
Other
M550
Second display, inverse, 96 x 64 pixels
S230
Soft keys
Card slot
M550
No
S230
No
Phonebook
M550
500
S230
Call records
M550
10 dialed, 10 received, 10 missed calls
S230
Other
M550
Dynamic memory
S230
Message templates SMS smileys
Other
M550
No
S230
No
Loudspeaker
M550
No
S230
No
Alert types
M550
Vibration; Downloadable polyphonic ringtones
S230
Vibration; Downloadable monophonic ringtones, composer
3.5mm jack
M550
No
S230
No
WLAN
M550
No
S230
No
Bluetooth
M550
No
S230
No
Positioning
M550
No
S230
No
Radio
M550
No
S230
No
USB
M550
S230
Sensors
M550
S230
Messaging
M550
SMS, EMS
S230
SMS
Browser
M550
WAP 1.2.1
S230
WAP 1.2.1
Clock
M550
Yes
S230
Yes
Alarm
M550
Yes
S230
Yes
Games
M550
3 - Ten Pin ,KombatClub and Splat
S230
12 - Splash, Quaddro, Scizzors, FlippIT ...
Java
M550
No
S230
No
Other
M550
Predictive text input
S230
Predictive text input User changeable front housing, back housing and keypad
Type
M550
Removable Li-Ion battery
S230
Removable NiMH battery
Stand-by
M550
180 h - 400 h
S230
up to 230 h
Talk time
M550
2 h - 5 h
S230
up to 4 h
Colors
M550
S230
4 - Midnight, Ink Blue, Frosty Mint, Pepper Red