Screen size
txtWinner: 2.6"+25%
Z5501.9"
Quick verdict
txt leads the measured specs 9-1.
Measured wins
txt
9
spec wins
Overall winner
Ties
2
equal specs
Z550
1
spec wins
Screen size
Technology
txt
GSM
Z550
GSM
2G bands
txt
GSM 850 / 900 / 1800 / 1900
Z550
GSM 900 / 1800 / 1900 - Z550i, GSM 850 / 1800 / 1900 - Z550a
GPRS
txt
Up to 60 kbps
Z550
Class 10
EDGE
txt
Up to 177 kbps
Z550
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
No
Announced
txt
2011, June. Released 2011, October
Z550
2006, May
Status
txt
Discontinued
Z550
Discontinued
Dimensions
txt
106 x 60 x 14.5 mm (4.17 x 2.36 x 0.57 in)
Z550
87.5 x 45.4 x 20 mm (3.44 x 1.79 x 0.79 in)
Weight
txt
95 g (3.35 oz)
Z550
93 g (3.28 oz)
Keyboard
txt
QWERTY
Z550
-
SIM
txt
Mini-SIM
Z550
Mini-SIM
Type
txt
TFT, 256K colors
Z550
TFT, 256K colors
Size
txt
2.55 inches, 20.1 cm2 (~31.7% screen-to-body ratio)
Z550
1.9 inches, 30 x 37 mm, 11.4 cm2 (~28.6% screen-to-body ratio)
Resolution
txt
320 x 240 pixels, 4:3 ratio (~157 ppi density)
Z550
176 x 220 pixels (~148 ppi density)
Protection
txt
Scratch-resistant glass
Z550
-
Other
txt
-
Z550
Second external STN, mono display (128 x 36 pixels) Wallpapers, screensavers
Card slot
txt
microSDHC (dedicated slot)
Z550
Memory Stick Micro (M2), up to 2 GB
Phonebook
txt
Yes, Photocall
Z550
1000 entries, Photocall
Call records
txt
Yes
Z550
30 received, dialed and missed calls
Internal
txt
120MB (100MB user available), 64MB RAM
Z550
25MB
Single
txt
3.15 MP
Z550
1.3 MP
Features
txt
fixed-focus
Z550
-
Video
txt
Yes
Z550
QCIF
Other
txt
No
Z550
No
Loudspeaker
txt
Yes
Z550
Yes
3.5mm jack
txt
Yes
Z550
No
Alert types
txt
-
Z550
Vibration; Downloadable polyphonic, MP3, AAC ringtones, composer
WLAN
txt
Wi-Fi 802.11 b/g
Z550
No
Bluetooth
txt
2.1, A2DP, EDR
Z550
Yes
Positioning
txt
No
Z550
No
Radio
txt
Stereo FM radio, RDS
Z550
Stereo FM radio, RDS
USB
txt
microUSB 2.0
Z550
Proprietary
Sensors
txt
Z550
Messaging
txt
SMS(threaded view), MMS, Email, Push email, IM
Z550
SMS, MMS, Email
Browser
txt
HTML
Z550
WAP 2.0/HTML (NetFront), RSS reader
Games
txt
Yes
Z550
Yes + downloadable
Java
txt
Yes, MIDP 2.1
Z550
Yes, MIDP 2.0
Other
txt
SNS integration with native Facebook and Twitter clients MP4/H.264 player MP3/eAAC+/WAV player TrackID music recognition Voice memo Predictive text input
Z550
Push to talk Media player (MP3, 3GP, AAC, MP4) Predictive text input Photo editor Organizer Voice memo
Type
txt
Removable Li-Ion 1000 mAh battery
Z550
Removable Li-Ion 750 mAh battery
Stand-by
txt
Up to 416 h
Z550
Up to 320 h
Talk time
txt
Up to 3 h 12 min
Z550
Up to 5 h
Music play
txt
Up to 23 h
Z550
-
Colors
txt
Black, Blue, White, Pink
Z550
Sterling Black, Pearl Copper
SAR EU
txt
0.92 W/kg (head)
Z550
1.24 W/kg (head)
Price
txt
About 60 EUR
Z550
About 110 EUR