Screen size
T20e—
T28 World—
Quick verdict
T28 World leads the measured specs 3-0.
Measured wins
T20e
0
spec wins
Ties
3
equal specs
T28 World
3
spec wins
Overall winner
Screen size
Technology
T20e
GSM
T28 World
GSM
2G bands
T20e
GSM 900 / 1800
T28 World
GSM 900 / 1900
GPRS
T20e
No
T28 World
No
EDGE
T20e
No
T28 World
No
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
equal specsSD card
equal specsStereo speakers
Announced
T20e
2001
T28 World
1999
Status
T20e
Discontinued
T28 World
Discontinued
Dimensions
T20e
101 x 54 x 28 mm (3.98 x 2.13 x 1.10 in)
T28 World
97 x 50 x 15 mm (3.82 x 1.97 x 0.59 in)
Weight
T20e
128 g (4.52 oz)
T28 World
83 g (2.93 oz)
SIM
T20e
Mini-SIM
T28 World
Mini-SIM
Type
T20e
Monochrome graphic
T28 World
Monochrome graphic
Size
T20e
T28 World
Resolution
T20e
101 x 33 pixels, 3 x 12 chars
T28 World
101 x 33 pixels, 3 x 12 chars
Other
T20e
-
T28 World
Fixed icons
Card slot
T20e
No
T28 World
No
Phonebook
T20e
T28 World
250
Call records
T20e
10 received, dialed and missed calls
T28 World
Other
T20e
SMS Templates
T28 World
-
Other
T20e
No
T28 World
No
Loudspeaker
T20e
No
T28 World
No
Alert types
T20e
Vibration; Downloadable monophonic ringtones, composer
T28 World
Vibration; Monophonic ringtones, composer
3.5mm jack
T20e
No
T28 World
No
WLAN
T20e
No
T28 World
No
Bluetooth
T20e
No
T28 World
No
Positioning
T20e
No
T28 World
No
Radio
T20e
No
T28 World
No
USB
T20e
T28 World
Sensors
T20e
T28 World
Messaging
T20e
SMS
T28 World
SMS
Browser
T20e
WAP with added security
T28 World
Clock
T20e
Yes
T28 World
Yes
Alarm
T20e
Yes
T28 World
Yes
Games
T20e
5
T28 World
2 - Tetris, Solitarie
Languages
T20e
24
T28 World
37
Java
T20e
No
T28 World
No
Other
T20e
Mobile chat Swatch Internet Time Voice dial Voice answer Calculator Stopwatch Pictures and sound in SMS Start-up shut-down shows Profiles Active flip
T28 World
Voice dialing Voice answering Profiles Helptexts and shortcuts Active flip
Type
T20e
Removable NiMH battery
T28 World
Removable Li-Po 500 mAh battery
Stand-by
T20e
200 h
T28 World
50 h
Talk time
T20e
10 h
T28 World
3 h 30 min
Colors
T20e
5 - Purple Wild, Blue Whirl, Lime Twist, Silver Weave, Beige Harmony
T28 World