Screen size
Xperia X10 miniWinner: 2.6"+25%
Z5501.9"
Quick verdict
Xperia X10 mini leads the measured specs 10-0.
Measured wins
Xperia X10 mini
10
spec wins
Overall winner
Ties
2
equal specs
Z550
0
spec wins
Screen size
Technology
Xperia X10 mini
GSM / HSPA
Z550
GSM
2G bands
Xperia X10 mini
GSM 850 / 900 / 1800 / 1900
Z550
GSM 900 / 1800 / 1900 - Z550i, GSM 850 / 1800 / 1900 - Z550a
3G bands
Xperia X10 mini
HSDPA 900 / 2100 - E10i, HSDPA 850 / 1900 / 2100 - E10a
Z550
-
Speed
Xperia X10 mini
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
-
Z550
Class 10
EDGE
Xperia X10 mini
-
Z550
No
Announced
Xperia X10 mini
2010, February. Released 2010, May
Z550
2006, May
Status
Xperia X10 mini
Discontinued
Z550
Discontinued
Dimensions
Xperia X10 mini
83 x 50 x 16 mm (3.27 x 1.97 x 0.63 in)
Z550
87.5 x 45.4 x 20 mm (3.44 x 1.79 x 0.79 in)
Weight
Xperia X10 mini
88 g (3.10 oz)
Z550
93 g (3.28 oz)
SIM
Xperia X10 mini
Mini-SIM
Z550
Mini-SIM
Type
Xperia X10 mini
TFT (65K effective)
Z550
TFT, 256K colors
Size
Xperia X10 mini
2.55 inches, 20.1 cm2 (~48.5% 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
240 x 320 pixels, 4:3 ratio (~157 ppi density)
Z550
176 x 220 pixels (~148 ppi density)
Protection
Xperia X10 mini
Scratch-resistant glass
Z550
-
Other
Xperia X10 mini
Timescape UI
Z550
Second external STN, mono display (128 x 36 pixels) Wallpapers, screensavers
OS
Xperia X10 mini
Android 1.6 (Donut), upgradable to 2.1 (Eclair)
Z550
-
Chipset
Xperia X10 mini
Qualcomm MSM7227 Snapdragon S1
Z550
-
CPU
Xperia X10 mini
600 MHz ARM 11
Z550
-
GPU
Xperia X10 mini
Adreno 200
Z550
-
Card slot
Xperia X10 mini
microSDHC (dedicated slot), 2 GB included
Z550
Memory Stick Micro (M2), up to 2 GB
Internal
Xperia X10 mini
128MB
Z550
25MB
Phonebook
Xperia X10 mini
-
Z550
1000 entries, Photocall
Call records
Xperia X10 mini
-
Z550
30 received, dialed and missed calls
Single
Xperia X10 mini
5 MP, AF
Z550
1.3 MP
Features
Xperia X10 mini
LED flash
Z550
-
Video
Xperia X10 mini
480p@30fps
Z550
QCIF
Other
Xperia X10 mini
No
Z550
No
Loudspeaker
Xperia X10 mini
Yes
Z550
Yes
3.5mm jack
Xperia X10 mini
Yes
Z550
No
Alert types
Xperia X10 mini
-
Z550
Vibration; Downloadable polyphonic, MP3, AAC ringtones, composer
WLAN
Xperia X10 mini
Wi-Fi 802.11 b/g, hotspot (v2.2 or higher)
Z550
No
Bluetooth
Xperia X10 mini
2.0, A2DP, EDR
Z550
Yes
Positioning
Xperia X10 mini
GPS, A-GPS
Z550
No
Radio
Xperia X10 mini
Stereo FM radio, RDS
Z550
Stereo FM radio, RDS
USB
Xperia X10 mini
microUSB 2.0
Z550
Proprietary
Sensors
Xperia X10 mini
Accelerometer, proximity, compass
Z550
Browser
Xperia X10 mini
HTML
Z550
WAP 2.0/HTML (NetFront), RSS reader
Other
Xperia X10 mini
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
-
Z550
SMS, MMS, Email
Games
Xperia X10 mini
-
Z550
Yes + downloadable
Java
Xperia X10 mini
-
Z550
Yes, MIDP 2.0
Type
Xperia X10 mini
Non-removable Li-Po 950 mAh battery
Z550
Removable Li-Ion 750 mAh battery
Stand-by
Xperia X10 mini
Up to 285 h (2G) / Up to 360 h (3G)
Z550
Up to 320 h
Talk time
Xperia X10 mini
Up to 4 h (2G) / Up to 3 h 30 min (3G)
Z550
Up to 5 h
Colors
Xperia X10 mini
Gold, Pearl White, Black, Pink, Lime, Red, Silver
Z550
Sterling Black, Pearl Copper
SAR EU
Xperia X10 mini
1.17 W/kg (head)
Z550
1.24 W/kg (head)
Price
Xperia X10 mini
About 70 EUR
Z550
About 110 EUR