Screen size
T510Winner: 1.8"
t550—
Quick verdict
T510 leads the measured specs 4-3.
Measured wins
T510
4
spec wins
Overall winner
Ties
4
equal specs
t550
3
spec wins
Screen size
Technology
T510
GSM
t550
GSM
2G bands
T510
GSM 900 / 1800
t550
GSM 900 / 1800 / 1900
GPRS
T510
Class 8
t550
Class 10
EDGE
T510
No
t550
No
Resolution
equal specsRefresh 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
equal specsSD card
Stereo speakers
equal specsAnnounced
T510
2005, Q1
t550
2005, Q1
Status
T510
Discontinued
t550
Discontinued
Dimensions
T510
90 x 40 x 18 mm (3.54 x 1.57 x 0.71 in)
t550
105 x 49.6 x 15.8 mm (4.13 x 1.95 x 0.62 in)
Weight
T510
87 g (3.07 oz)
t550
98 g (3.46 oz)
SIM
T510
Mini-SIM
t550
Mini-SIM
Type
T510
TFT, 65K colors
t550
TFT, 256K colors
Size
T510
1.8 inches, 29 x 35 mm, 10.2 cm2 (~28.3% screen-to-body ratio)
t550
Resolution
T510
128 x 160 pixels (~114 ppi density)
t550
128 x 160 pixels
Other
T510
Downloadable animation
t550
Downloadable animation
Card slot
T510
miniSD
t550
No
Phonebook
T510
250 entries
t550
1000 entries, Photocall
Call records
T510
10 received, dialed and missed calls
t550
10 received, dialed and missed calls
Internal
T510
32MB
t550
-
Single
T510
VGA
t550
1.3 MP
Features
T510
LED flash
t550
LED flash
Video
T510
No
t550
Yes
Other
T510
No
t550
No
Loudspeaker
T510
Yes, with stereo speakers
t550
Yes, with stereo speakers
Alert types
T510
Vibration; Downloadable polyphonic ringtones
t550
Vibration; Downloadable polyphonic, MP3 ringtones, composer
3.5mm jack
T510
No
t550
No
Other
T510
Dual speaker
t550
-
WLAN
T510
No
t550
No
Bluetooth
T510
No
t550
Yes
Positioning
T510
No
t550
No
Radio
T510
No
t550
No
USB
T510
Proprietary
t550
Proprietary
Sensors
T510
t550
Messaging
T510
SMS, EMS, MMS
t550
SMS, EMS, MMS
Browser
T510
WAP 2.0/xHTML
t550
WAP 2.0/xHTML
Games
T510
Yes + downloadable
t550
Yes
Java
T510
Yes
t550
Yes
Other
T510
Predictive text input MP3 player Organizer Voice memo
t550
MP3 player Video player Photo editor Predictive text input Organizer
Type
T510
Removable Li-Ion 650 mAh battery
t550
Removable Li-Ion 860 mAh battery
Stand-by
T510
Up to 100 h
t550
Up to 168 h
Talk time
T510
Up to 2 h
t550
Up to 9 h
Colors
T510
Silver, Blue
t550
Black