Screen size
my421xWinner: 1.8"
my500X—
Quick verdict
my421x leads the measured specs 4-2.
Measured wins
my421x
4
spec wins
Overall winner
Ties
4
equal specs
my500X
2
spec wins
Screen size
Technology
my421x
GSM
my500X
GSM
2G bands
my421x
GSM 900 / 1800
my500X
GSM 900 / 1800 / 1900
GPRS
my421x
Yes
my500X
Class 10
EDGE
my421x
No
my500X
No
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront 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
my421x
2008, February. Released 2008
my500X
2006, March
Status
my421x
Discontinued
my500X
Discontinued
Dimensions
my421x
107 x 47 x 10 mm (4.21 x 1.85 x 0.39 in)
my500X
100 x 46 x 16.5 mm (3.94 x 1.81 x 0.65 in)
Weight
my421x
81 g (2.86 oz)
my500X
90 g (3.17 oz)
SIM
my421x
Mini-SIM
my500X
Mini-SIM
Type
my421x
CSTN, 65K colors
my500X
TFT, 256K colors
Size
my421x
1.8 inches, 10.2 cm2 (~20.3% screen-to-body ratio)
my500X
Resolution
my421x
128 x 160 pixels (~114 ppi density)
my500X
176 x 220 pixels
Other
my421x
Glossy effect
my500X
-
Card slot
my421x
microSD (dedicated slot)
my500X
miniSD
Phonebook
my421x
Yes
my500X
Yes
Call records
my421x
20 dialed, 20 received, 20 missed calls
my500X
20 dialed, 20 received, 20 missed calls
Internal
my421x
-
my500X
32MB
Single
my421x
1.3 MP
my500X
1.3 MP
Video
my421x
Yes
my500X
Yes
Other
my421x
No
my500X
No
Loudspeaker
my421x
Yes
my500X
No
Alert types
my421x
Vibration; Polyphonic ringtones
my500X
Vibration; Downloadable polyphonic ringtones
3.5mm jack
my421x
No
my500X
No
WLAN
my421x
No
my500X
No
Bluetooth
my421x
Yes
my500X
No
Positioning
my421x
No
my500X
No
Radio
my421x
Stereo FM radio, RDS
my500X
No
USB
my421x
Proprietary
my500X
Proprietary
Sensors
my421x
my500X
Messaging
my421x
SMS, MMS
my500X
SMS, EMS,MMS
Browser
my421x
WAP 2.0/xHTML
my500X
WAP 2.0/xHTML
Games
my421x
Yes
my500X
Yes
Java
my421x
Yes, MIDP 2.0
my500X
Yes, MIDP 2.0
Other
my421x
Music player Predictive text input Organizer
my500X
MP3/AAC player Predictive text input Organizer
Type
my421x
Removable Li-Ion battery
my500X
Removable Li-Ion 850 mAh battery
Stand-by
my421x
Up to 220 h
my500X
Up to 350 h
Talk time
my421x
Up to 3 h 40 min
my500X
Up to 4 h
Colors
my421x
Black
my500X