Screen size
CX75Winner: 1.9"
M55—
Quick verdict
CX75 leads the measured specs 8-1.
Measured wins
CX75
8
spec wins
Overall winner
Ties
2
equal specs
M55
1
spec wins
Screen size
Technology
CX75
GSM
M55
GSM
2G bands
CX75
GSM 900 / 1800 / 1900
M55
GSM 900 / 1800 / 1900
GPRS
CX75
Class 10
M55
Class 8
EDGE
CX75
No
M55
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
Stereo speakers
Announced
CX75
2005, Q1
M55
2003, Q2
Status
CX75
Discontinued
M55
Discontinued
Dimensions
CX75
112 x 48 x 19 mm, 90 cc (4.41 x 1.89 x 0.75 in)
M55
101 x 46 x 21 mm (3.98 x 1.81 x 0.83 in)
Weight
CX75
98 g (3.46 oz)
M55
83 g (2.93 oz)
SIM
CX75
Mini-SIM
M55
Mini-SIM
Type
CX75
TFT, 256K colors
M55
CSTN, 4096 colors
Size
CX75
1.9 inches, 28 x 38 mm, 11.2 cm2 (~20.8% screen-to-body ratio)
M55
Resolution
CX75
132 x 176 pixels, 4:3 ratio (~116 ppi density)
M55
101 x 80 pixels, 7 lines
Other
CX75
-
M55
Navi key
Card slot
CX75
RS-MMC
M55
No
Phonebook
CX75
1000 x 20 fields, Photo call
M55
500 x 14 fields, 5 c
Call records
CX75
10 dialed, 10 received, 10 missed calls
M55
10 dialed, 10 received, 10 missed calls
Internal
CX75
14MB
M55
1.8MB
Other
CX75
-
M55
20 voice dial numbers 10 voice dial commands 500 calendar items
Single
CX75
1.3 MP
M55
-
Video
CX75
QCIF
M55
-
Other
CX75
No
M55
-
Loudspeaker
CX75
Yes
M55
Yes
Alert types
CX75
Vibration; Downloadable polyphonic, MP3 ringtones
M55
Vibration; Downloadable polyphonic ringtones, composer
3.5mm jack
CX75
No
M55
No
WLAN
CX75
No
M55
No
Bluetooth
CX75
1.2
M55
No
Positioning
CX75
No
M55
No
Infrared port
CX75
Yes
M55
-
Radio
CX75
No
M55
No
USB
CX75
Proprietary
M55
Sensors
CX75
M55
Messaging
CX75
SMS, MMS, EMail, Instant Messaging
M55
SMS, MMS, Email
Browser
CX75
WAP 2.0/xHTML
M55
WAP 1.2.1
Games
CX75
Yes + downloadable
M55
2 - Wappo, Extreme
Java
CX75
Yes, MIDP 2.0
M55
Yes
Other
CX75
Push and Talk MP3/AAC player Predictive text input Organizer SyncML
M55
Predictive text input Organizer Stopwatch Reminder list Voice dial Voice command User profiles SyncML Optional digital camera
Clock
CX75
-
M55
Yes
Alarm
CX75
-
M55
Yes
Type
CX75
Removable Li-Ion 750 mAh battery
M55
Removable Li-Ion 700 mAh battery (EBA-510)
Stand-by
CX75
Up to 250 h
M55
Up to 250 h
Talk time
CX75
Up to 5 h
M55
Up to 6 h
Colors
CX75
Titan grey, Sand silver
M55
Other
CX75
-
M55
No