Screen size
my500X—
my521xWinner: 1.9"
Quick verdict
my521x leads the measured specs 3-2.
Measured wins
my500X
2
spec wins
Ties
5
equal specs
my521x
3
spec wins
Overall winner
Screen size
Technology
my500X
GSM
my521x
GSM
2G bands
my500X
GSM 900 / 1800 / 1900
my521x
GSM 900 / 1800 / 1900
GPRS
my500X
Class 10
my521x
Yes
EDGE
my500X
No
my521x
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
equal specsThickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
No
Announced
my500X
2006, March
my521x
2008, July
Status
my500X
Discontinued
my521x
Discontinued
Dimensions
my500X
100 x 46 x 16.5 mm (3.94 x 1.81 x 0.65 in)
my521x
107 x 46 x 10 mm (4.21 x 1.81 x 0.39 in)
Weight
my500X
90 g (3.17 oz)
my521x
90 g (3.17 oz)
SIM
my500X
Mini-SIM
my521x
Mini-SIM
Type
my500X
TFT, 256K colors
my521x
TFT, 65K colors
Size
my500X
my521x
1.9 inches, 11.4 cm2 (~23.1% screen-to-body ratio)
Resolution
my500X
176 x 220 pixels
my521x
128 x 160 pixels (~108 ppi density)
Card slot
my500X
miniSD
my521x
microSD (dedicated slot)
Phonebook
my500X
Yes
my521x
Yes
Call records
my500X
20 dialed, 20 received, 20 missed calls
my521x
20 dialed, 20 received, 20 missed calls
Internal
my500X
32MB
my521x
10MB
Single
my500X
1.3 MP
my521x
1.3 MP
Video
my500X
Yes
my521x
Yes
Other
my500X
No
my521x
No
Loudspeaker
my500X
No
my521x
No
Alert types
my500X
Vibration; Downloadable polyphonic ringtones
my521x
Vibration; Polyphonic(32) ringtones
3.5mm jack
my500X
No
my521x
No
WLAN
my500X
No
my521x
No
Bluetooth
my500X
No
my521x
Yes
Positioning
my500X
No
my521x
No
Radio
my500X
No
my521x
No
USB
my500X
Proprietary
my521x
Proprietary
Sensors
my500X
my521x
Messaging
my500X
SMS, EMS,MMS
my521x
SMS, EMS, MMS
Browser
my500X
WAP 2.0/xHTML
my521x
WAP 2.0/xHTML
Games
my500X
Yes
my521x
Yes
Java
my500X
Yes, MIDP 2.0
my521x
Yes, MIDP 2.0
Other
my500X
MP3/AAC player Predictive text input Organizer
my521x
MP3/AAC player Predictive text input Organizer
Type
my500X
Removable Li-Ion 850 mAh battery
my521x
Removable Li-Ion battery
Stand-by
my500X
Up to 350 h
my521x
Up to 200 h
Talk time
my500X
Up to 4 h
my521x
Up to 3 h
Colors
my500X
my521x
Black,Silver