Screen size
A55—
CX75Winner: 1.9"
Quick verdict
CX75 leads the measured specs 8-1.
Measured wins
A55
1
spec wins
Ties
2
equal specs
CX75
8
spec wins
Overall winner
Screen size
Technology
A55
GSM
CX75
GSM
2G bands
A55
GSM 900 / 1800 , GSM 900 / 1900 - Siemens A56
CX75
GSM 900 / 1800 / 1900
GPRS
A55
No
CX75
Class 10
EDGE
A55
No
CX75
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
No
Announced
A55
2003, Q1
CX75
2005, Q1
Status
A55
Discontinued
CX75
Discontinued
Dimensions
A55
101 x 44 x 21 mm, 84 cc (3.98 x 1.73 x 0.83 in)
CX75
112 x 48 x 19 mm, 90 cc (4.41 x 1.89 x 0.75 in)
Weight
A55
84 g (2.96 oz)
CX75
98 g (3.46 oz)
SIM
A55
Mini-SIM
CX75
Mini-SIM
Type
A55
Monochrome graphic
CX75
TFT, 256K colors
Size
A55
CX75
1.9 inches, 28 x 38 mm, 11.2 cm2 (~20.8% screen-to-body ratio)
Resolution
A55
101 x 64 pixels, 5 lines
CX75
132 x 176 pixels, 4:3 ratio (~116 ppi density)
Other
A55
Softkeys Downloadable logos and screensaver
CX75
-
Card slot
A55
No
CX75
RS-MMC
Phonebook
A55
50 entries, 4 contact groups
CX75
1000 x 20 fields, Photo call
Call records
A55
10 dialed, 10 received, 10 missed calls
CX75
10 dialed, 10 received, 10 missed calls
Internal
A55
120 KB
CX75
14MB
Other
A55
25 short messages 9 SMS templates
CX75
-
Other
A55
No
CX75
-
Loudspeaker
A55
Yes
CX75
Yes
Alert types
A55
Vibration; Downloadable polyphonic ringtones
CX75
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
A55
No
CX75
No
WLAN
A55
No
CX75
No
Bluetooth
A55
No
CX75
1.2
Positioning
A55
No
CX75
No
Radio
A55
No
CX75
No
USB
A55
CX75
Proprietary
Infrared port
A55
-
CX75
Yes
Sensors
A55
CX75
Messaging
A55
SMS, EMS
CX75
SMS, MMS, EMail, Instant Messaging
Browser
A55
WAP 1.2.1
CX75
WAP 2.0/xHTML
Clock
A55
Yes
CX75
-
Alarm
A55
Yes
CX75
-
Games
A55
4 - StackAttack, Balloon Shooter, Wacko, Move the Box
CX75
Yes + downloadable
Java
A55
No
CX75
Yes, MIDP 2.0
Other
A55
Predictive text input Calculator Currency converter Exchangeable Clip-it covers
CX75
Push and Talk MP3/AAC player Predictive text input Organizer SyncML
Type
A55
Removable Li-Ion 700 mAh battery (EBA-510)
CX75
Removable Li-Ion 750 mAh battery
Stand-by
A55
Up to 250 h
CX75
Up to 250 h
Talk time
A55
Up to 2 h
CX75
Up to 5 h
Colors
A55
4
CX75
Titan grey, Sand silver
Single
A55
-
CX75
1.3 MP
Video
A55
-
CX75
QCIF
Other
A55
-
CX75
No