Screen size
equal specsmy230x1.8"
my231x1.8"
Quick verdict
my230x leads the measured specs 2-0.
Measured wins
my230x
2
spec wins
Overall winner
Ties
6
equal specs
my231x
0
spec wins
Screen size
equal specsTechnology
my230x
GSM
my231x
GSM
2G bands
my230x
GSM 900 / 1800
my231x
GSM 900 / 1800
GPRS
my230x
No
my231x
No
EDGE
my230x
No
my231x
No
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU 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
my230x
2008, February. Released 2008
my231x
2008, February. Released 2008
Status
my230x
Discontinued
my231x
Discontinued
Dimensions
my230x
106 x 46 x 10 mm (4.17 x 1.81 x 0.39 in)
my231x
106 x 46 x 12 mm (4.17 x 1.81 x 0.47 in)
Weight
my230x
65 g (2.29 oz)
my231x
75 g (2.65 oz)
SIM
my230x
Mini-SIM
my231x
Mini-SIM
Type
my230x
CSTN, 65K colors
my231x
CSTN, 65K colors
Size
my230x
1.8 inches, 10.2 cm2 (~20.9% screen-to-body ratio)
my231x
1.8 inches, 10.2 cm2 (~20.9% screen-to-body ratio)
Resolution
my230x
128 x 160 pixels (~114 ppi density)
my231x
128 x 160 pixels (~114 ppi density)
Card slot
my230x
No
my231x
No
Phonebook
my230x
Yes
my231x
Yes
Call records
my230x
20 dialed, 20 received, 20 missed calls
my231x
20 dialed, 20 received, 20 missed calls
Other
my230x
No
my231x
No
Loudspeaker
my230x
Yes
my231x
Yes
Alert types
my230x
Vibration; Polyphonic ringtones
my231x
Vibration; Polyphonic ringtones
3.5mm jack
my230x
No
my231x
No
WLAN
my230x
No
my231x
No
Bluetooth
my230x
No
my231x
Yes
Positioning
my230x
No
my231x
No
Radio
my230x
No
my231x
No
USB
my230x
Proprietary
my231x
Proprietary
Sensors
my230x
my231x
Messaging
my230x
SMS
my231x
SMS
Browser
my230x
No
my231x
No
Games
my230x
mySUDOKU
my231x
Yes
Java
my230x
No
my231x
No
Other
my230x
Predictive text input Organizer
my231x
Predictive text input Organizer
Type
my230x
Removable Li-Ion battery
my231x
Removable Li-Ion battery
Stand-by
my230x
Up to 240 h
my231x
Up to 450 h
Talk time
my230x
Up to 3 h
my231x
Up to 6 h
Colors
my230x
my231x
Black