Screen size
A57—
CX75Winner: 1.9"
Quick verdict
CX75 leads the measured specs 8-1.
Measured wins
A57
1
spec wins
Ties
2
equal specs
CX75
8
spec wins
Overall winner
Screen size
Technology
A57
GSM
CX75
GSM
2G bands
A57
GSM 900 / 1800
CX75
GSM 900 / 1800 / 1900
GPRS
A57
No
CX75
Class 10
EDGE
A57
No
CX75
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
A57
2004, Q2
CX75
2005, Q1
Status
A57
Discontinued
CX75
Discontinued
Dimensions
A57
103 x 46 x 21.5 mm, 75 cc (4.06 x 1.81 x 0.85 in)
CX75
112 x 48 x 19 mm, 90 cc (4.41 x 1.89 x 0.75 in)
Weight
A57
84 g (2.96 oz)
CX75
98 g (3.46 oz)
SIM
A57
Mini-SIM
CX75
Mini-SIM
Type
A57
Monochrome graphic
CX75
TFT, 256K colors
Size
A57
CX75
1.9 inches, 28 x 38 mm, 11.2 cm2 (~20.8% screen-to-body ratio)
Resolution
A57
101 x 64 pixels, 5 lines
CX75
132 x 176 pixels, 4:3 ratio (~116 ppi density)
Other
A57
Softkeys Downloadable logos, animations
CX75
-
Card slot
A57
No
CX75
RS-MMC
Phonebook
A57
50 entries, 4 groups, Picture call
CX75
1000 x 20 fields, Photo call
Call records
A57
10 dialed, 10 received, 10 missed calls
CX75
10 dialed, 10 received, 10 missed calls
Other
A57
25 short messages
CX75
-
Internal
A57
-
CX75
14MB
Other
A57
No
CX75
-
Loudspeaker
A57
No
CX75
Yes
Alert types
A57
Vibration; Downloadable polyphonic ringtones
CX75
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
A57
No
CX75
No
Other
A57
CX75
-
WLAN
A57
No
CX75
No
Bluetooth
A57
No
CX75
1.2
Positioning
A57
No
CX75
No
Radio
A57
No
CX75
No
USB
A57
CX75
Proprietary
Infrared port
A57
-
CX75
Yes
Sensors
A57
CX75
Messaging
A57
SMS, EMS
CX75
SMS, MMS, EMail, Instant Messaging
Browser
A57
WAP 1.2.1
CX75
WAP 2.0/xHTML
Games
A57
4 - Stack Attack, Balloon Shooter, Move the Box, Wacko
CX75
Yes + downloadable
Java
A57
No
CX75
Yes, MIDP 2.0
Other
A57
Predictive text input Organizer Exchangeable Clip-it covers
CX75
Push and Talk MP3/AAC player Predictive text input Organizer SyncML
Type
A57
Removable Li-Ion 700 mAh battery (EBA-510)
CX75
Removable Li-Ion 750 mAh battery
Stand-by
A57
Up to 250 h
CX75
Up to 250 h
Talk time
A57
Up to 2 h
CX75
Up to 5 h
Colors
A57
Cassis, Pebble
CX75
Titan grey, Sand silver
Single
A57
-
CX75
1.3 MP
Video
A57
-
CX75
QCIF
Other
A57
-
CX75
No