Screen size
C75—
ST55—
Quick verdict
C75 leads the measured specs 3-0.
Measured wins
C75
3
spec wins
Overall winner
Ties
4
equal specs
ST55
0
spec wins
Screen size
Technology
C75
GSM
ST55
GSM
2G bands
C75
GSM 900 / 1800 / 1900
ST55
GSM 900 / 1800
GPRS
C75
Class 10
ST55
Class 10
EDGE
C75
No
ST55
No
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Announced
C75
2005, May
ST55
2003, Q3
Status
C75
Discontinued
ST55
Discontinued
Dimensions
C75
103 x 44 x 17 mm (4.06 x 1.73 x 0.67 in)
ST55
99 x 47 x 22 mm (3.90 x 1.85 x 0.87 in)
Weight
C75
85 g (3.00 oz)
ST55
87 g (3.07 oz)
SIM
C75
Mini-SIM
ST55
Mini-SIM
Type
C75
TFT, 65K colors
ST55
TFT, 65K colors
Size
C75
ST55
Resolution
C75
132 x 176 pixels, 9 lines, 4:3 ratio
ST55
120 x 160 pixels, 7 lines, 4:3 ratio
Other
C75
5-way joystick Download assistant for logos
ST55
5-way navi key
Card slot
C75
No
ST55
No
Phonebook
C75
1000 x 20 fields, Photo call
ST55
255 x 15 entries
Call records
C75
100 received, 100 dialed and 100 missed calls
ST55
10 dialed, 20 received, 20 missed calls
Internal
C75
10MB
ST55
-
Other
C75
100 short messages
ST55
1.2 MB for photos 1.3 MB for MMS 1.1 MB for email messages 100 short messages
Single
C75
VGA
ST55
VGA
Video
C75
Yes
ST55
No
Other
C75
No
ST55
No
Loudspeaker
C75
Yes
ST55
Yes
Alert types
C75
Vibration; Downloadable polyphonic ringtones
ST55
Vibration; Downloadable polyphonic ringtones
3.5mm jack
C75
No
ST55
No
WLAN
C75
No
ST55
No
Bluetooth
C75
No
ST55
No
Positioning
C75
No
ST55
No
Infrared port
C75
Yes
ST55
-
Radio
C75
No
ST55
No
USB
C75
Proprietary
ST55
Sensors
C75
ST55
Messaging
C75
SMS, EMS, MMS, Email, Instant Messaging
ST55
SMS, EMS, MMS, Email
Browser
C75
WAP 2.0/xHTML
ST55
WAP 2.0/xHTML
Games
C75
Yes
ST55
3 - Wacko, Toggle, Tetris + Java
Java
C75
Yes
ST55
No
Other
C75
Predictive text input Stopwatch Organizer Voice memo Clip-it covers User profiles SyncML
ST55
Predictive text input Organizer User profiles SyncML
Clock
C75
-
ST55
Yes
Alarm
C75
-
ST55
Yes
Type
C75
Removable Li-Ion 750 mAh battery
ST55
Removable Li-Ion 750 mAh battery (EBA-595)
Stand-by
C75
Up to 300 h
ST55
Up to 140 h
Talk time
C75
Up to 5 h 30 min
ST55
Up to 4 h 30 min
Colors
C75
Palladium and Light Silver
ST55