Screen size
my231xWinner: 1.8"
my405X—
Quick verdict
my231x leads the measured specs 4-1.
Measured wins
my231x
4
spec wins
Overall winner
Ties
4
equal specs
my405X
1
spec wins
Screen size
Technology
my231x
GSM
my405X
GSM
2G bands
my231x
GSM 900 / 1800
my405X
GSM 900 / 1800 / 1900
GPRS
my231x
No
my405X
Class 10
EDGE
my231x
No
my405X
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
my405X
2006, March
Status
my231x
Discontinued
my405X
Discontinued
Dimensions
my231x
106 x 46 x 12 mm (4.17 x 1.81 x 0.47 in)
my405X
105 x 46 x 15.5 mm (4.13 x 1.81 x 0.61 in)
Weight
my231x
75 g (2.65 oz)
my405X
90 g (3.17 oz)
SIM
my231x
Mini-SIM
my405X
Mini-SIM
Type
my231x
CSTN, 65K colors
my405X
TFT, 65K colors
Size
my231x
1.8 inches, 10.2 cm2 (~20.9% screen-to-body ratio)
my405X
Resolution
my231x
128 x 160 pixels (~114 ppi density)
my405X
128 x 160 pixels
Card slot
my231x
No
my405X
No
Phonebook
my231x
Yes
my405X
Yes
Call records
my231x
20 dialed, 20 received, 20 missed calls
my405X
20 dialed, 20 received, 20 missed calls
Internal
my231x
-
my405X
64MB
Other
my231x
No
my405X
-
Loudspeaker
my231x
Yes
my405X
No
Alert types
my231x
Vibration; Polyphonic ringtones
my405X
Vibration; Downloadable polyphonic ringtones
3.5mm jack
my231x
No
my405X
No
WLAN
my231x
No
my405X
No
Bluetooth
my231x
Yes
my405X
No
Positioning
my231x
No
my405X
No
Radio
my231x
No
my405X
No
USB
my231x
Proprietary
my405X
miniUSB 1.1
Sensors
my231x
my405X
Messaging
my231x
SMS
my405X
SMS, EMS, MMS
Browser
my231x
No
my405X
WAP 2.0/xHTML
Games
my231x
Yes
my405X
2
Java
my231x
No
my405X
Yes, MIDP 2.0
Other
my231x
Predictive text input Organizer
my405X
MP3 player Predictive text input Calculator Diary assistant Voice memo Currency converter
Type
my231x
Removable Li-Ion battery
my405X
Removable Li-Ion battery
Stand-by
my231x
Up to 450 h
my405X
Up to 300 h
Talk time
my231x
Up to 6 h
my405X
Up to 3 h
Colors
my231x
Black
my405X
Silver, Black
Single
my231x
-
my405X
VGA
Video
my231x
-
my405X
No
Other
my231x
-
my405X
No