Screen size
my501C1.8"
my521xWinner: 1.9"+5.3%
Quick verdict
my521x leads the measured specs 3-1.
Measured wins
my501C
1
spec wins
Ties
5
equal specs
my521x
3
spec wins
Overall winner
Screen size
Technology
my501C
GSM
my521x
GSM
2G bands
my501C
GSM 900 / 1800
my521x
GSM 900 / 1800 / 1900
GPRS
my501C
Yes
my521x
Yes
EDGE
my501C
No
my521x
No
Resolution
equal specsRefresh 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
my501C
2006, August
my521x
2008, July
Status
my501C
Discontinued
my521x
Discontinued
Dimensions
my501C
93 x 44.6 x 23.6 mm (3.66 x 1.76 x 0.93 in)
my521x
107 x 46 x 10 mm (4.21 x 1.81 x 0.39 in)
Weight
my501C
99 g (3.49 oz)
my521x
90 g (3.17 oz)
SIM
my501C
Mini-SIM
my521x
Mini-SIM
Type
my501C
CSTN, 65K colors
my521x
TFT, 65K colors
Size
my501C
1.8 inches, 10.2 cm2 (~24.6% screen-to-body ratio)
my521x
1.9 inches, 11.4 cm2 (~23.1% screen-to-body ratio)
Resolution
my501C
128 x 160 pixels (~114 ppi density)
my521x
128 x 160 pixels (~108 ppi density)
Other
my501C
Second external OLED, 256 colors display Downloadable wallpapers
my521x
-
Card slot
my501C
microSD (dedicated slot)
my521x
microSD (dedicated slot)
Phonebook
my501C
Yes
my521x
Yes
Call records
my501C
20 received, dialed and missed calls
my521x
20 dialed, 20 received, 20 missed calls
Internal
my501C
32MB
my521x
10MB
Single
my501C
1.3 MP
my521x
1.3 MP
Video
my501C
Yes
my521x
Yes
Other
my501C
No
my521x
No
Loudspeaker
my501C
No
my521x
No
Alert types
my501C
Vibration; Downloadable polyphonic, Hi-Fi ringtones
my521x
Vibration; Polyphonic(32) ringtones
3.5mm jack
my501C
No
my521x
No
WLAN
my501C
No
my521x
No
Bluetooth
my501C
Yes
my521x
Yes
Positioning
my501C
No
my521x
No
Radio
my501C
No
my521x
No
USB
my501C
Proprietary
my521x
Proprietary
Sensors
my501C
my521x
Messaging
my501C
SMS, MMS, Email
my521x
SMS, EMS, MMS
Browser
my501C
WAP 1.2
my521x
WAP 2.0/xHTML
Games
my501C
Yes
my521x
Yes
Java
my501C
Yes
my521x
Yes, MIDP 2.0
Other
my501C
MP3/AAC player Predictive text input Calculator Currency converter SyncML
my521x
MP3/AAC player Predictive text input Organizer
Type
my501C
Removable Li-Ion battery
my521x
Removable Li-Ion battery
Stand-by
my501C
Up to 250 h
my521x
Up to 200 h
Talk time
my501C
Up to 3 h 30 min
my521x
Up to 3 h
Colors
my501C
Silver, Red
my521x
Black,Silver
Price
my501C
About 140 EUR
my521x
-