Screen size
equal specsmy421x1.8"
my501C1.8"
Quick verdict
my421x leads the measured specs 2-0.
Measured wins
my421x
2
spec wins
Overall winner
Ties
7
equal specs
my501C
0
spec wins
Screen size
equal specsTechnology
my421x
GSM
my501C
GSM
2G bands
my421x
GSM 900 / 1800
my501C
GSM 900 / 1800
GPRS
my421x
Yes
my501C
Yes
EDGE
my421x
No
my501C
No
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU 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
my501C
2006, August
Status
my421x
Discontinued
my501C
Discontinued
Dimensions
my421x
107 x 47 x 10 mm (4.21 x 1.85 x 0.39 in)
my501C
93 x 44.6 x 23.6 mm (3.66 x 1.76 x 0.93 in)
Weight
my421x
81 g (2.86 oz)
my501C
99 g (3.49 oz)
SIM
my421x
Mini-SIM
my501C
Mini-SIM
Type
my421x
CSTN, 65K colors
my501C
CSTN, 65K colors
Size
my421x
1.8 inches, 10.2 cm2 (~20.3% screen-to-body ratio)
my501C
1.8 inches, 10.2 cm2 (~24.6% screen-to-body ratio)
Resolution
my421x
128 x 160 pixels (~114 ppi density)
my501C
128 x 160 pixels (~114 ppi density)
Other
my421x
Glossy effect
my501C
Second external OLED, 256 colors display Downloadable wallpapers
Card slot
my421x
microSD (dedicated slot)
my501C
microSD (dedicated slot)
Phonebook
my421x
Yes
my501C
Yes
Call records
my421x
20 dialed, 20 received, 20 missed calls
my501C
20 received, dialed and missed calls
Internal
my421x
-
my501C
32MB
Single
my421x
1.3 MP
my501C
1.3 MP
Video
my421x
Yes
my501C
Yes
Other
my421x
No
my501C
No
Loudspeaker
my421x
Yes
my501C
No
Alert types
my421x
Vibration; Polyphonic ringtones
my501C
Vibration; Downloadable polyphonic, Hi-Fi ringtones
3.5mm jack
my421x
No
my501C
No
WLAN
my421x
No
my501C
No
Bluetooth
my421x
Yes
my501C
Yes
Positioning
my421x
No
my501C
No
Radio
my421x
Stereo FM radio, RDS
my501C
No
USB
my421x
Proprietary
my501C
Proprietary
Sensors
my421x
my501C
Messaging
my421x
SMS, MMS
my501C
SMS, MMS, Email
Browser
my421x
WAP 2.0/xHTML
my501C
WAP 1.2
Games
my421x
Yes
my501C
Yes
Java
my421x
Yes, MIDP 2.0
my501C
Yes
Other
my421x
Music player Predictive text input Organizer
my501C
MP3/AAC player Predictive text input Calculator Currency converter SyncML
Type
my421x
Removable Li-Ion battery
my501C
Removable Li-Ion battery
Stand-by
my421x
Up to 220 h
my501C
Up to 250 h
Talk time
my421x
Up to 3 h 40 min
my501C
Up to 3 h 30 min
Colors
my421x
Black
my501C
Silver, Red
Price
my421x
-
my501C
About 140 EUR