Screen size
Xperia X10 mini proWinner: 2.6"+25%
Z5501.9"
Quick verdict
Xperia X10 mini pro leads the measured specs 9-1.
Measured wins
Xperia X10 mini pro
9
spec wins
Overall winner
Ties
2
equal specs
Z550
1
spec wins
Screen size
Technology
Xperia X10 mini pro
GSM / HSPA
Z550
GSM
2G bands
Xperia X10 mini pro
GSM 850 / 900 / 1800 / 1900
Z550
GSM 900 / 1800 / 1900 - Z550i, GSM 850 / 1800 / 1900 - Z550a
3G bands
Xperia X10 mini pro
HSDPA 900 / 2100 , HSDPA 850 / 1900 / 2100
Z550
-
Speed
Xperia X10 mini pro
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
equal specsStereo speakers
Z550
-
GPRS
Xperia X10 mini pro
-
Z550
Class 10
EDGE
Xperia X10 mini pro
-
Z550
No
Announced
Xperia X10 mini pro
2010, February. Released 2010, June
Z550
2006, May
Status
Xperia X10 mini pro
Discontinued
Z550
Discontinued
Dimensions
Xperia X10 mini pro
90 x 52 x 17 mm (3.54 x 2.05 x 0.67 in)
Z550
87.5 x 45.4 x 20 mm (3.44 x 1.79 x 0.79 in)
Weight
Xperia X10 mini pro
120 g (4.23 oz)
Z550
93 g (3.28 oz)
Keyboard
Xperia X10 mini pro
QWERTY
Z550
-
SIM
Xperia X10 mini pro
Mini-SIM
Z550
Mini-SIM
Type
Xperia X10 mini pro
TFT (65K effective)
Z550
TFT, 256K colors
Size
Xperia X10 mini pro
2.55 inches, 20.1 cm2 (~43.0% screen-to-body ratio)
Z550
1.9 inches, 30 x 37 mm, 11.4 cm2 (~28.6% screen-to-body ratio)
Resolution
Xperia X10 mini pro
240 x 320 pixels, 4:3 ratio (~157 ppi density)
Z550
176 x 220 pixels (~148 ppi density)
Protection
Xperia X10 mini pro
Scratch-resistant glass
Z550
-
Other
Xperia X10 mini pro
Timescape UI
Z550
Second external STN, mono display (128 x 36 pixels) Wallpapers, screensavers
OS
Xperia X10 mini pro
Android 1.6 (Donut), upgradable to 2.1 (Eclair)
Z550
-
Chipset
Xperia X10 mini pro
Qualcomm MSM7227 Snapdragon S1
Z550
-
CPU
Xperia X10 mini pro
600 MHz ARM 11
Z550
-
GPU
Xperia X10 mini pro
Adreno 200
Z550
-
Card slot
Xperia X10 mini pro
microSDHC (dedicated slot), 2 GB included
Z550
Memory Stick Micro (M2), up to 2 GB
Internal
Xperia X10 mini pro
128MB
Z550
25MB
Phonebook
Xperia X10 mini pro
-
Z550
1000 entries, Photocall
Call records
Xperia X10 mini pro
-
Z550
30 received, dialed and missed calls
Single
Xperia X10 mini pro
5 MP, AF
Z550
1.3 MP
Features
Xperia X10 mini pro
LED flash
Z550
-
Video
Xperia X10 mini pro
480p@30fps
Z550
QCIF
Other
Xperia X10 mini pro
No
Z550
No
Loudspeaker
Xperia X10 mini pro
Yes
Z550
Yes
3.5mm jack
Xperia X10 mini pro
Yes
Z550
No
Alert types
Xperia X10 mini pro
-
Z550
Vibration; Downloadable polyphonic, MP3, AAC ringtones, composer
WLAN
Xperia X10 mini pro
Wi-Fi 802.11 b/g, hotspot (v2.2 or higher)
Z550
No
Bluetooth
Xperia X10 mini pro
2.1, A2DP
Z550
Yes
Positioning
Xperia X10 mini pro
GPS, A-GPS
Z550
No
Radio
Xperia X10 mini pro
Stereo FM radio, RDS
Z550
Stereo FM radio, RDS
USB
Xperia X10 mini pro
microUSB 2.0
Z550
Proprietary
Sensors
Xperia X10 mini pro
Accelerometer, proximity, compass
Z550
Browser
Xperia X10 mini pro
HTML
Z550
WAP 2.0/HTML (NetFront), RSS reader
Other
Xperia X10 mini pro
ANT+ MP4/H.264/WMV player MP3/eAAC+/WMA/WAV player TrackID music recognition Document viewer Voice memo Predictive text input
Z550
Push to talk Media player (MP3, 3GP, AAC, MP4) Predictive text input Photo editor Organizer Voice memo
Messaging
Xperia X10 mini pro
-
Z550
SMS, MMS, Email
Games
Xperia X10 mini pro
-
Z550
Yes + downloadable
Java
Xperia X10 mini pro
-
Z550
Yes, MIDP 2.0
Type
Xperia X10 mini pro
Removable Li-Po 930 mAh battery
Z550
Removable Li-Ion 750 mAh battery
Stand-by
Xperia X10 mini pro
Up to 285 h (2G) / Up to 360 h (3G)
Z550
Up to 320 h
Talk time
Xperia X10 mini pro
Up to 4 h (2G) / Up to 3 h 30 min (3G)
Z550
Up to 5 h
Colors
Xperia X10 mini pro
Black, Red, Pink
Z550
Sterling Black, Pearl Copper
SAR EU
Xperia X10 mini pro
1.61 W/kg (head)
Z550
1.24 W/kg (head)
Price
Xperia X10 mini pro
About 70 EUR
Z550
About 110 EUR