Screen size
equal specsmy511X1.9"
my521x1.9"
Quick verdict
my511X and my521x are close on the measured specs.
Measured wins
my511X
0
spec wins
Ties
9
equal specs
my521x
0
spec wins
Screen size
equal specsTechnology
my511X
GSM
my521x
GSM
2G bands
my511X
GSM 900 / 1800 / 1900
my521x
GSM 900 / 1800 / 1900
GPRS
my511X
Class 10
my521x
Yes
EDGE
my511X
No
my521x
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
equal specsThickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
No
Announced
my511X
2007, September
my521x
2008, July
Status
my511X
Discontinued
my521x
Discontinued
Dimensions
my511X
107 x 46 x 10 mm (4.21 x 1.81 x 0.39 in)
my521x
107 x 46 x 10 mm (4.21 x 1.81 x 0.39 in)
Weight
my511X
90 g (3.17 oz)
my521x
90 g (3.17 oz)
SIM
my511X
Mini-SIM
my521x
Mini-SIM
Type
my511X
TFT, 65K colors
my521x
TFT, 65K colors
Size
my511X
1.9 inches, 11.4 cm2 (~23.1% screen-to-body ratio)
my521x
1.9 inches, 11.4 cm2 (~23.1% screen-to-body ratio)
Resolution
my511X
128 x 160 pixels (~108 ppi density)
my521x
128 x 160 pixels (~108 ppi density)
Card slot
my511X
microSD (dedicated slot)
my521x
microSD (dedicated slot)
Phonebook
my511X
Yes
my521x
Yes
Call records
my511X
20 dialed, 20 received, 20 missed calls
my521x
20 dialed, 20 received, 20 missed calls
Internal
my511X
32MB
my521x
10MB
Single
my511X
1.3 MP
my521x
1.3 MP
Video
my511X
Yes
my521x
Yes
Other
my511X
No
my521x
No
Loudspeaker
my511X
No
my521x
No
Alert types
my511X
Vibration; Downloadable polyphonic ringtones
my521x
Vibration; Polyphonic(32) ringtones
3.5mm jack
my511X
No
my521x
No
WLAN
my511X
No
my521x
No
Bluetooth
my511X
Yes
my521x
Yes
Positioning
my511X
No
my521x
No
Radio
my511X
No
my521x
No
USB
my511X
miniUSB
my521x
Proprietary
Sensors
my511X
my521x
Messaging
my511X
SMS, EMS,MMS
my521x
SMS, EMS, MMS
Browser
my511X
WAP 2.0/xHTML
my521x
WAP 2.0/xHTML
Games
my511X
Yes
my521x
Yes
Java
my511X
Yes, MIDP 2.0
my521x
Yes, MIDP 2.0
Other
my511X
MP3/AAC player Predictive text input Organizer
my521x
MP3/AAC player Predictive text input Organizer
Type
my511X
Removable Li-Ion battery
my521x
Removable Li-Ion battery
Stand-by
my511X
Up to 200 h
my521x
Up to 200 h
Talk time
my511X
Up to 3 h
my521x
Up to 3 h
Colors
my511X
Black, Blue
my521x
Black,Silver
Price
my511X
About 140 EUR
my521x
-