Screen size
GH 688—
T20e—
Quick verdict
GH 688 leads the measured specs 2-1.
Measured wins
GH 688
2
spec wins
Overall winner
Ties
3
equal specs
T20e
1
spec wins
Screen size
Technology
GH 688
GSM
T20e
GSM
2G bands
GH 688
GSM 900
T20e
GSM 900 / 1800
GPRS
GH 688
No
T20e
No
EDGE
GH 688
No
T20e
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
GH 688
1996
T20e
2001
Status
GH 688
Discontinued
T20e
Discontinued
Dimensions
GH 688
130 x 49 x 23 mm (5.12 x 1.93 x 0.91 in)
T20e
101 x 54 x 28 mm (3.98 x 2.13 x 1.10 in)
Weight
GH 688
160 g (5.64 oz)
T20e
128 g (4.52 oz)
SIM
GH 688
Mini-SIM
T20e
Mini-SIM
Type
GH 688
Alphanumeric
T20e
Monochrome graphic
Size
GH 688
T20e
Resolution
GH 688
3 x 12 chars
T20e
101 x 33 pixels, 3 x 12 chars
Other
GH 688
Fixed icons
T20e
-
Card slot
GH 688
No
T20e
No
Phonebook
GH 688
99
T20e
Call records
GH 688
T20e
10 received, dialed and missed calls
Other
GH 688
-
T20e
SMS Templates
Other
GH 688
No
T20e
No
Loudspeaker
GH 688
No
T20e
No
Alert types
GH 688
Monophonic ringtones
T20e
Vibration; Downloadable monophonic ringtones, composer
3.5mm jack
GH 688
No
T20e
No
WLAN
GH 688
No
T20e
No
Bluetooth
GH 688
No
T20e
No
Positioning
GH 688
No
T20e
No
Radio
GH 688
No
T20e
No
USB
GH 688
T20e
Sensors
GH 688
T20e
Messaging
GH 688
SMS
T20e
SMS
Browser
GH 688
T20e
WAP with added security
Clock
GH 688
Yes
T20e
Yes
Alarm
GH 688
Yes
T20e
Yes
Games
GH 688
No
T20e
5
Languages
GH 688
19
T20e
24
Java
GH 688
No
T20e
No
Other
GH 688
Scratchpad Calculator
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
Type
GH 688
Removable NiMH 1200 mAh battery
T20e
Removable NiMH battery
Stand-by
GH 688
96 h
T20e
200 h
Talk time
GH 688
240 min
T20e
10 h
Colors
GH 688
T20e
5 - Purple Wild, Blue Whirl, Lime Twist, Silver Weave, Beige Harmony