Screen size
my231xWinner: 1.8"
myZ-5—
Quick verdict
my231x leads the measured specs 4-0.
Measured wins
my231x
4
spec wins
Overall winner
Ties
4
equal specs
myZ-5
0
spec wins
Screen size
Technology
my231x
GSM
myZ-5
GSM
2G bands
my231x
GSM 900 / 1800
myZ-5
GSM 900 / 1800 / 1900
GPRS
my231x
No
myZ-5
Class 10
EDGE
my231x
No
myZ-5
No
Resolution
equal specsRefresh 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
my231x
2008, February. Released 2008
myZ-5
2006, February
Status
my231x
Discontinued
myZ-5
Discontinued
Dimensions
my231x
106 x 46 x 12 mm (4.17 x 1.81 x 0.47 in)
myZ-5
85 x 42 x 23 mm (3.35 x 1.65 x 0.91 in)
Weight
my231x
75 g (2.65 oz)
myZ-5
85 g (3.00 oz)
SIM
my231x
Mini-SIM
myZ-5
Mini-SIM
Type
my231x
CSTN, 65K colors
myZ-5
TFT, 65K colors
Size
my231x
1.8 inches, 10.2 cm2 (~20.9% screen-to-body ratio)
myZ-5
Resolution
my231x
128 x 160 pixels (~114 ppi density)
myZ-5
128 x 160 pixels
Other
my231x
-
myZ-5
Screensavers and wallpapers Downloadable logos and applications
Card slot
my231x
No
myZ-5
No
Phonebook
my231x
Yes
myZ-5
Yes
Call records
my231x
20 dialed, 20 received, 20 missed calls
myZ-5
20 dialed, 20 received, 20 missed calls
Internal
my231x
-
myZ-5
3.7MB
Other
my231x
No
myZ-5
-
Loudspeaker
my231x
Yes
myZ-5
Yes
Alert types
my231x
Vibration; Polyphonic ringtones
myZ-5
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
my231x
No
myZ-5
No
WLAN
my231x
No
myZ-5
No
Bluetooth
my231x
Yes
myZ-5
No
Positioning
my231x
No
myZ-5
No
Radio
my231x
No
myZ-5
No
USB
my231x
Proprietary
myZ-5
Proprietary
Sensors
my231x
myZ-5
Messaging
my231x
SMS
myZ-5
SMS, EMS, MMS
Browser
my231x
No
myZ-5
WAP 2.0/xHTML
Games
my231x
Yes
myZ-5
2
Java
my231x
No
myZ-5
Yes, MIDP 2.0
Other
my231x
Predictive text input Organizer
myZ-5
Predictive text input Organizer
Type
my231x
Removable Li-Ion battery
myZ-5
Removable Li-Ion battery
Stand-by
my231x
Up to 450 h
myZ-5
Up to 240 h
Talk time
my231x
Up to 6 h
myZ-5
Up to 3 h
Colors
my231x
Black
myZ-5
Single
my231x
-
myZ-5
VGA
Video
my231x
-
myZ-5
Yes
Other
my231x
-
myZ-5
No