Screen size
SpiroWinner: 2.2"+18%
Z5251.8"
Quick verdict
Spiro leads the measured specs 10-0.
Measured wins
Spiro
10
spec wins
Overall winner
Ties
1
equal specs
Z525
0
spec wins
Screen size
Technology
Spiro
GSM
Z525
GSM
2G bands
Spiro
GSM 900 / 1800 , GSM 850 / 1900
Z525
GSM 900 / 1800 / 1900 - Z525i, GSM 850 / 1800 / 1900 - Z525a
GPRS
Spiro
Class 10
Z525
Class 10
EDGE
Spiro
Class 10
Z525
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
Stereo speakers
No
Announced
Spiro
2010, April. Released 2010, August
Z525
2006, April
Status
Spiro
Discontinued
Z525
Discontinued
Dimensions
Spiro
92 x 48 x 16.8 mm (3.62 x 1.89 x 0.66 in)
Z525
83 x 46 x 24 mm (3.27 x 1.81 x 0.94 in)
Weight
Spiro
90 g (3.17 oz)
Z525
94 g (3.32 oz)
SIM
Spiro
Mini-SIM
Z525
Mini-SIM
Other
Spiro
Flashlight
Z525
-
Type
Spiro
TFT, 256K colors
Z525
TFT, 65K colors
Size
Spiro
2.2 inches, 15.0 cm2 (~33.9% screen-to-body ratio)
Z525
1.8 inches, 29 x 35 mm, 10.2 cm2 (~26.7% screen-to-body ratio)
Resolution
Spiro
240 x 320 pixels, 4:3 ratio (~182 ppi density)
Z525
128 x 160 pixels (~114 ppi density)
Other
Spiro
-
Z525
Second external CSTN display 4096 colors (101 x 80 pixels) Wallpapers, screensavers
Card slot
Spiro
microSDHC (dedicated slot)
Z525
No
Phonebook
Spiro
2000 entries, Photocall
Z525
500 x 8 fields, Photo call
Call records
Spiro
Yes
Z525
30 received, dialed and missed calls
Internal
Spiro
5MB
Z525
12MB
Single
Spiro
2 MP
Z525
VGA
Video
Spiro
Yes
Z525
Yes
Other
Spiro
No
Z525
No
Loudspeaker
Spiro
Yes
Z525
Yes
3.5mm jack
Spiro
Yes
Z525
No
Alert types
Spiro
-
Z525
Vibration; Downloadable polyphonic, MP3, AAC ringtones, composer
WLAN
Spiro
No
Z525
No
Bluetooth
Spiro
2.1, A2DP
Z525
2.0
Positioning
Spiro
No
Z525
No
Radio
Spiro
Stereo FM radio, RDS
Z525
No
USB
Spiro
microUSB 2.0
Z525
Proprietary
Infrared port
Spiro
-
Z525
Yes
Sensors
Spiro
Z525
Messaging
Spiro
SMS(threaded view), MMS, Email, Push Email, IM
Z525
SMS, EMS, MMS, Email, Instant Messaging
Browser
Spiro
WAP 2.0/xHTML, HTML (Obigo Q7)
Z525
WAP 2.0/xHTML
Games
Spiro
Yes + downloadable
Z525
Yes + downloadable
Java
Spiro
Yes, MIDP 2.0
Z525
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
Z525
Push-to-talk MP3/AAC/MP4 player Photo editor Exchangeable covers Organizer SyncML
Type
Spiro
Removable Li-Ion battery
Z525
Removable Li-Ion battery
Stand-by
Spiro
Up to 476 h
Z525
Up to 320 h
Talk time
Spiro
Up to 4 h 30 min
Z525
Up to 5 h
Music play
Spiro
Up to 20 h
Z525
-
Colors
Spiro
Contrast Black, Sunset Pink, Spring Green, Stealth Black
Z525
New Blue
SAR EU
Spiro
1.03 W/kg (head)
Z525
-
Price
Spiro
About 80 EUR
Z525
About 90 EUR
SAR
Spiro
-
Z525
1.47 W/kg (head) 0.70 W/kg (body)