Screen size
AspenWinner: 2.4"+21%
Z5581.9"
Quick verdict
Aspen leads the measured specs 8-1.
Measured wins
Aspen
8
spec wins
Overall winner
Ties
3
equal specs
Z558
1
spec wins
Screen size
Technology
Aspen
GSM / HSPA
Z558
GSM
2G bands
Aspen
GSM 850 / 900 / 1800 / 1900
Z558
GSM 900 / 1800 / 1900
3G bands
Aspen
HSDPA 900 / 2100 , HSDPA 850 / 900 / 2100
Z558
-
Speed
Aspen
HSPA 7.2/2 Mbps
Z558
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
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
-
GPRS
Aspen
-
Z558
Class 10
EDGE
Aspen
-
Z558
No
Announced
Aspen
2010, February. Released 2010, July
Z558
2006, September
Status
Aspen
Discontinued
Z558
Discontinued
Dimensions
Aspen
117 x 60 x 12.5 mm (4.61 x 2.36 x 0.49 in)
Z558
87.5 x 45.5 x 20.5 mm (3.44 x 1.79 x 0.81 in)
Weight
Aspen
130 g (4.59 oz)
Z558
93 g (3.28 oz)
Keyboard
Aspen
QWERTY
Z558
-
SIM
Aspen
Mini-SIM
Z558
Mini-SIM
Type
Aspen
TFT resistive touchscreen, 65K colors
Z558
TFT resistive touchscreen, 256K colors
Size
Aspen
2.4 inches, 17.8 cm2 (~25.4% screen-to-body ratio)
Z558
1.9 inches, 11.4 cm2 (~28.5% screen-to-body ratio)
Resolution
Aspen
320 x 240 pixels, 4:3 ratio (~167 ppi density)
Z558
176 x 220 pixels (~148 ppi density)
Other
Aspen
XPERIA Panels
Z558
Handwriting recognition Second external STN, mono display (128 x 36 pixels) Wallpapers, screensavers
OS
Aspen
Microsoft Windows Mobile 6.5.3 Professional
Z558
-
Chipset
Aspen
Qualcomm MSM7227 Snapdragon S1
Z558
-
CPU
Aspen
600 MHz ARM 11
Z558
-
GPU
Aspen
Adreno 200
Z558
-
Card slot
Aspen
microSDHC (dedicated slot), 4 GB included
Z558
Memory Stick Micro (M2), up to 2 GB
Internal
Aspen
256MB RAM, 256MB ROM, 100MB
Z558
18MB
Phonebook
Aspen
-
Z558
1000 entries, Photocall
Call records
Aspen
-
Z558
30 received, dialed and missed calls
Single
Aspen
3.15 MP
Z558
1.3 MP
Video
Aspen
480p@15fps
Z558
QCIF
Other
Aspen
No
Z558
No
Loudspeaker
Aspen
Yes
Z558
Yes
3.5mm jack
Aspen
Yes
Z558
No
Alert types
Aspen
-
Z558
Vibration; Downloadable polyphonic, MP3, AAC ringtones, composer
WLAN
Aspen
Wi-Fi 802.11 b/g
Z558
No
Bluetooth
Aspen
2.1, A2DP
Z558
Yes
Positioning
Aspen
GPS, A-GPS
Z558
No
Radio
Aspen
Stereo FM radio, RDS
Z558
Stereo FM radio, RDS
USB
Aspen
microUSB 2.0
Z558
2.0
Sensors
Aspen
Z558
Browser
Aspen
WAP 2.0/HTML (IE), RSS feeds
Z558
WAP 2.0/HTML (NetFront), RSS reader
Other
Aspen
MP3/eAAC+/WAV/WMA player MP4/H.264/WMV player Pocket Office Organizer Eco friendly materials Voice memo/dial Predictive text input
Z558
Push to talk Media player (MP3, 3GP, MP4) Predictive text input Photo editor Organizer Voice memo
Messaging
Aspen
-
Z558
SMS, MMS, Email
Games
Aspen
-
Z558
Yes + downloadable
Java
Aspen
-
Z558
Yes, MIDP 2.0
Type
Aspen
Removable Li-Po 1500 mAh battery
Z558
Removable Li-Ion battery
Stand-by
Aspen
Up to 560 h (2G) / Up to 500 h (3G)
Z558
Up to 320 h
Talk time
Aspen
Up to 6 h 30 min (2G) / Up to 7 h 30 min (3G)
Z558
Up to 5 h 15 min
Music play
Aspen
Up to 12 h
Z558
-
Colors
Aspen
Iconic Black, White Silver
Z558
Sterling Black, Pearl Copper
SAR EU
Aspen
1.05 W/kg (head)
Z558
-
Price
Aspen
About 70 EUR
Z558
About 120 EUR