Screen size
txtWinner: 2.6"+29%
Z5201.8"
Quick verdict
txt leads the measured specs 11-0.
Measured wins
txt
11
spec wins
Overall winner
Ties
1
equal specs
Z520
0
spec wins
Screen size
Technology
txt
GSM
Z520
GSM
2G bands
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GSM 850 / 900 / 1800 / 1900
Z520
GSM 900 / 1800 / 1900 - Z520i, GSM 850 / 900 / 1800 / 1900 - Z520a
GPRS
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Up to 60 kbps
Z520
Class 10
EDGE
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Up to 177 kbps
Z520
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
txt
2011, June. Released 2011, October
Z520
2005, June
Status
txt
Discontinued
Z520
Discontinued
Dimensions
txt
106 x 60 x 14.5 mm (4.17 x 2.36 x 0.57 in)
Z520
93 x 46 x 24 mm (3.66 x 1.81 x 0.94 in)
Weight
txt
95 g (3.35 oz)
Z520
96 g (3.39 oz)
Keyboard
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QWERTY
Z520
-
SIM
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Mini-SIM
Z520
Mini-SIM
Type
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TFT, 256K colors
Z520
TFT, 65K colors
Size
txt
2.55 inches, 20.1 cm2 (~31.7% screen-to-body ratio)
Z520
1.8 inches, 29 x 35 mm, 10.2 cm2 (~23.8% screen-to-body ratio)
Resolution
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320 x 240 pixels, 4:3 ratio (~157 ppi density)
Z520
128 x 160 pixels (~114 ppi density)
Protection
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Scratch-resistant glass
Z520
-
Other
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-
Z520
Second external CSTN display 4096 colors (101 x 80 pixels) Wallpapers, screensavers
Card slot
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microSDHC (dedicated slot)
Z520
No
Phonebook
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Yes, Photocall
Z520
500 x 8 fields, Photo call
Call records
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Yes
Z520
30 received, dialed and missed calls
Internal
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120MB (100MB user available), 64MB RAM
Z520
16MB
Single
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3.15 MP
Z520
VGA
Features
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fixed-focus
Z520
-
Video
txt
Yes
Z520
Yes
Other
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No
Z520
No
Loudspeaker
txt
Yes
Z520
Yes
3.5mm jack
txt
Yes
Z520
No
Alert types
txt
-
Z520
Vibration; Downloadable polyphonic, MP3, AAC ringtones, composer
WLAN
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Wi-Fi 802.11 b/g
Z520
No
Bluetooth
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2.1, A2DP, EDR
Z520
2.0
Positioning
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No
Z520
No
Radio
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Stereo FM radio, RDS
Z520
No
USB
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microUSB 2.0
Z520
Proprietary
Infrared port
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-
Z520
Yes
Sensors
txt
Z520
Messaging
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SMS(threaded view), MMS, Email, Push email, IM
Z520
SMS, EMS, MMS, Email, Instant Messaging
Browser
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HTML
Z520
WAP 2.0/xHTML
Games
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Yes
Z520
Yes + downloadable
Java
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Yes, MIDP 2.1
Z520
Yes, MIDP 2.0
Other
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SNS integration with native Facebook and Twitter clients MP4/H.264 player MP3/eAAC+/WAV player TrackID music recognition Voice memo Predictive text input
Z520
MP3/MP4 player Photo editor Exchangeable covers Organizer SyncML
Type
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Removable Li-Ion 1000 mAh battery
Z520
Removable Li-Ion 900 mAh battery (BST-37)
Stand-by
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Up to 416 h
Z520
Up to 400 h
Talk time
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Up to 3 h 12 min
Z520
Up to 9 h
Music play
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Up to 23 h
Z520
-
Colors
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Black, Blue, White, Pink
Z520
Light Blue, Pale Purple, Pale Pink, Pale Yellow
SAR EU
txt
0.92 W/kg (head)
Z520
0.96 W/kg (head)
Price
txt
About 60 EUR
Z520
About 70 EUR
SAR
txt
-
Z520
1.47 W/kg (head) 0.70 W/kg (body)