Screen size
T28 World—
T28s—
Quick verdict
T28 World and T28s are close on the measured specs.
Measured wins
T28 World
0
spec wins
Ties
6
equal specs
T28s
0
spec wins
Screen size
Resolution
Technology
T28 World
GSM
T28s
GSM
2G bands
T28 World
GSM 900 / 1900
T28s
GSM 900 / 1800
GPRS
T28 World
No
T28s
No
EDGE
T28 World
No
T28s
No
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
equal specsThickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Announced
T28 World
1999
T28s
1999
Status
T28 World
Discontinued
T28s
Discontinued
Dimensions
T28 World
97 x 50 x 15 mm (3.82 x 1.97 x 0.59 in)
T28s
97 x 50 x 15 mm (3.82 x 1.97 x 0.59 in)
Weight
T28 World
83 g (2.93 oz)
T28s
83 g (2.93 oz)
SIM
T28 World
Mini-SIM
T28s
Mini-SIM
Type
T28 World
Monochrome graphic
T28s
Monochrome graphic
Size
T28 World
T28s
Resolution
T28 World
101 x 33 pixels, 3 x 12 chars
T28s
101 x 33 pixels, 3 x 12 chars
Other
T28 World
Fixed icons
T28s
Fixed icons
Card slot
T28 World
No
T28s
No
Phonebook
T28 World
250
T28s
250
Call records
T28 World
T28s
Other
T28 World
No
T28s
No
Loudspeaker
T28 World
No
T28s
No
Alert types
T28 World
Vibration; Monophonic ringtones, composer
T28s
Vibration; Monophonic ringtones, composer
3.5mm jack
T28 World
No
T28s
No
WLAN
T28 World
No
T28s
No
Bluetooth
T28 World
No
T28s
No
Positioning
T28 World
No
T28s
No
Radio
T28 World
No
T28s
No
USB
T28 World
T28s
Sensors
T28 World
T28s
Messaging
T28 World
SMS
T28s
SMS
Browser
T28 World
T28s
Clock
T28 World
Yes
T28s
Yes
Alarm
T28 World
Yes
T28s
Yes
Games
T28 World
2 - Tetris, Solitarie
T28s
2 - Tetris, Solitarie
Languages
T28 World
37
T28s
37
Java
T28 World
No
T28s
No
Other
T28 World
Voice dialing Voice answering Profiles Helptexts and shortcuts Active flip
T28s
Voice dialing Voice answering Profiles Helptexts and shortcuts Active flip
Type
T28 World
Removable Li-Po 500 mAh battery
T28s
Removable Li-Po 500 mAh battery
Stand-by
T28 World
50 h
T28s
50 h
Talk time
T28 World
3 h 30 min
T28s
3 h 30 min
Colors
T28 World
T28s