Screen size
SpiroWinner: 2.2"+14%
Z5551.9"
Quick verdict
Spiro leads the measured specs 6-3.
Measured wins
Spiro
6
spec wins
Overall winner
Ties
3
equal specs
Z555
3
spec wins
Screen size
Technology
Spiro
GSM
Z555
GSM
2G bands
Spiro
GSM 900 / 1800 , GSM 850 / 1900
Z555
GSM 900 / 1800 / 1900 - Z555i, GSM 850 / 1800 / 1900 - Z555a
GPRS
Spiro
Class 10
Z555
Class 10
EDGE
Spiro
Class 10
Z555
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
Class 10
Announced
Spiro
2010, April. Released 2010, August
Z555
2008, January. Released 2008, March
Status
Spiro
Discontinued
Z555
Discontinued
Dimensions
Spiro
92 x 48 x 16.8 mm (3.62 x 1.89 x 0.66 in)
Z555
95 x 49 x 16.5 mm (3.74 x 1.93 x 0.65 in)
Weight
Spiro
90 g (3.17 oz)
Z555
95 g (3.35 oz)
SIM
Spiro
Mini-SIM
Z555
Mini-SIM
Other
Spiro
Flashlight
Z555
-
Type
Spiro
TFT, 256K colors
Z555
TFT, 256K colors
Size
Spiro
2.2 inches, 15.0 cm2 (~33.9% screen-to-body ratio)
Z555
1.9 inches, 11.4 cm2 (~24.4% screen-to-body ratio)
Resolution
Spiro
240 x 320 pixels, 4:3 ratio (~182 ppi density)
Z555
176 x 220 pixels (~148 ppi density)
Other
Spiro
-
Z555
Gesture Control Second external OLED, mono display (128 x 36 pixels)
Card slot
Spiro
microSDHC (dedicated slot)
Z555
Memory Stick Micro (M2), up to 8 GB
Phonebook
Spiro
2000 entries, Photocall
Z555
1000 x 20 fields, Photo call
Call records
Spiro
Yes
Z555
30 received, dialed and missed calls
Internal
Spiro
5MB
Z555
12MB
Single
Spiro
2 MP
Z555
1.3 MP
Video
Spiro
Yes
Z555
No
Other
Spiro
No
Z555
No
Loudspeaker
Spiro
Yes
Z555
Yes
3.5mm jack
Spiro
Yes
Z555
No
Alert types
Spiro
-
Z555
Vibration; Downloadable polyphonic, MP3, AAC ringtones
WLAN
Spiro
No
Z555
No
Bluetooth
Spiro
2.1, A2DP
Z555
2.0, A2DP
Positioning
Spiro
No
Z555
No
Radio
Spiro
Stereo FM radio, RDS
Z555
Stereo FM radio, RDS
USB
Spiro
microUSB 2.0
Z555
2.0
Sensors
Spiro
Z555
Messaging
Spiro
SMS(threaded view), MMS, Email, Push Email, IM
Z555
SMS, EMS, MMS, Email, Instant Messaging
Browser
Spiro
WAP 2.0/xHTML, HTML (Obigo Q7)
Z555
WAP 2.0/xHTML, RSS reader
Games
Spiro
Yes + downloadable
Z555
Yes + downloadable
Java
Spiro
Yes, MIDP 2.0
Z555
Yes, MIDP 2.0
Other
Spiro
Walkman 4.0 player MP3/eAAC+/WAV player Track ID MP4/H.264 player Facebook, Twitter applications Organizer Predictive text input
Z555
Dynamic themes Media player Shake control Predictive text input Organizer Voice memo
Type
Spiro
Removable Li-Ion battery
Z555
Removable Li-Ion 930 mAh battery (BST-39)
Stand-by
Spiro
Up to 476 h
Z555
Up to 360 h
Talk time
Spiro
Up to 4 h 30 min
Z555
Up to 8 h 20 min
Music play
Spiro
Up to 20 h
Z555
-
Colors
Spiro
Contrast Black, Sunset Pink, Spring Green, Stealth Black
Z555
Diamond Black, Dusted Rose
SAR EU
Spiro
1.03 W/kg (head)
Z555
1.02 W/kg (head)
Price
Spiro
About 80 EUR
Z555
About 80 EUR