Screen size
AspenWinner: 2.4"+25%
Z5201.8"
Quick verdict
Aspen leads the measured specs 10-1.
Measured wins
Aspen
10
spec wins
Overall winner
Ties
1
equal specs
Z520
1
spec wins
Screen size
Technology
Aspen
GSM / HSPA
Z520
GSM
2G bands
Aspen
GSM 850 / 900 / 1800 / 1900
Z520
GSM 900 / 1800 / 1900 - Z520i, GSM 850 / 900 / 1800 / 1900 - Z520a
3G bands
Aspen
HSDPA 900 / 2100 , HSDPA 850 / 900 / 2100
Z520
-
Speed
Aspen
HSPA 7.2/2 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
Z520
-
GPRS
Aspen
-
Z520
Class 10
EDGE
Aspen
-
Z520
No
Announced
Aspen
2010, February. Released 2010, July
Z520
2005, June
Status
Aspen
Discontinued
Z520
Discontinued
Dimensions
Aspen
117 x 60 x 12.5 mm (4.61 x 2.36 x 0.49 in)
Z520
93 x 46 x 24 mm (3.66 x 1.81 x 0.94 in)
Weight
Aspen
130 g (4.59 oz)
Z520
96 g (3.39 oz)
Keyboard
Aspen
QWERTY
Z520
-
SIM
Aspen
Mini-SIM
Z520
Mini-SIM
Type
Aspen
TFT resistive touchscreen, 65K colors
Z520
TFT, 65K colors
Size
Aspen
2.4 inches, 17.8 cm2 (~25.4% screen-to-body ratio)
Z520
1.8 inches, 29 x 35 mm, 10.2 cm2 (~23.8% screen-to-body ratio)
Resolution
Aspen
320 x 240 pixels, 4:3 ratio (~167 ppi density)
Z520
128 x 160 pixels (~114 ppi density)
Other
Aspen
XPERIA Panels
Z520
Second external CSTN display 4096 colors (101 x 80 pixels) Wallpapers, screensavers
OS
Aspen
Microsoft Windows Mobile 6.5.3 Professional
Z520
-
Chipset
Aspen
Qualcomm MSM7227 Snapdragon S1
Z520
-
CPU
Aspen
600 MHz ARM 11
Z520
-
GPU
Aspen
Adreno 200
Z520
-
Card slot
Aspen
microSDHC (dedicated slot), 4 GB included
Z520
No
Internal
Aspen
256MB RAM, 256MB ROM, 100MB
Z520
16MB
Phonebook
Aspen
-
Z520
500 x 8 fields, Photo call
Call records
Aspen
-
Z520
30 received, dialed and missed calls
Single
Aspen
3.15 MP
Z520
VGA
Video
Aspen
480p@15fps
Z520
Yes
Other
Aspen
No
Z520
No
Loudspeaker
Aspen
Yes
Z520
Yes
3.5mm jack
Aspen
Yes
Z520
No
Alert types
Aspen
-
Z520
Vibration; Downloadable polyphonic, MP3, AAC ringtones, composer
WLAN
Aspen
Wi-Fi 802.11 b/g
Z520
No
Bluetooth
Aspen
2.1, A2DP
Z520
2.0
Positioning
Aspen
GPS, A-GPS
Z520
No
Radio
Aspen
Stereo FM radio, RDS
Z520
No
USB
Aspen
microUSB 2.0
Z520
Proprietary
Infrared port
Aspen
-
Z520
Yes
Sensors
Aspen
Z520
Browser
Aspen
WAP 2.0/HTML (IE), RSS feeds
Z520
WAP 2.0/xHTML
Other
Aspen
MP3/eAAC+/WAV/WMA player MP4/H.264/WMV player Pocket Office Organizer Eco friendly materials Voice memo/dial Predictive text input
Z520
MP3/MP4 player Photo editor Exchangeable covers Organizer SyncML
Messaging
Aspen
-
Z520
SMS, EMS, MMS, Email, Instant Messaging
Games
Aspen
-
Z520
Yes + downloadable
Java
Aspen
-
Z520
Yes, MIDP 2.0
Type
Aspen
Removable Li-Po 1500 mAh battery
Z520
Removable Li-Ion 900 mAh battery (BST-37)
Stand-by
Aspen
Up to 560 h (2G) / Up to 500 h (3G)
Z520
Up to 400 h
Talk time
Aspen
Up to 6 h 30 min (2G) / Up to 7 h 30 min (3G)
Z520
Up to 9 h
Music play
Aspen
Up to 12 h
Z520
-
Colors
Aspen
Iconic Black, White Silver
Z520
Light Blue, Pale Purple, Pale Pink, Pale Yellow
SAR EU
Aspen
1.05 W/kg (head)
Z520
0.96 W/kg (head)
Price
Aspen
About 70 EUR
Z520
About 70 EUR
SAR
Aspen
-
Z520
1.47 W/kg (head) 0.70 W/kg (body)