Screen size
equal specsS6611.5"
S6631.5"
Quick verdict
S661 and S663 are close on the measured specs.
Measured wins
S661
0
spec wins
Ties
9
equal specs
S663
0
spec wins
Screen size
equal specsTechnology
S661
GSM
S663
GSM
2G bands
S661
GSM 900 / 1800
S663
GSM 900 / 1800
GPRS
S661
No
S663
No
EDGE
S661
No
S663
No
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU 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
S661
2007
S663
2007
Status
S661
Discontinued
S663
Discontinued
Dimensions
S661
105.3 x 44 x 15.8 mm (4.15 x 1.73 x 0.62 in)
S663
105.3 x 44 x 15.8 mm (4.15 x 1.73 x 0.62 in)
Weight
S661
80 g (2.82 oz)
S663
80 g (2.82 oz)
SIM
S661
Mini-SIM
S663
Mini-SIM
Type
S661
CSTN, 65K colors
S663
CSTN, 65K colors
Size
S661
1.5 inches, 7.3 cm2 (~15.7% screen-to-body ratio)
S663
1.5 inches, 7.3 cm2 (~15.7% screen-to-body ratio)
Resolution
S661
128 x 128 pixels, 1:1 ratio (~121 ppi density)
S663
128 x 128 pixels, 1:1 ratio (~121 ppi density)
Card slot
S661
No
S663
No
Phonebook
S661
Yes
S663
Yes
Call records
S661
20 dialed, 20 received, 20 missed calls
S663
20 dialed, 20 received, 20 missed calls
Other
S661
No
S663
No
Loudspeaker
S661
No
S663
Yes
Alert types
S661
Vibration; Downloadable polyphonic, MIDI ringtones
S663
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
S661
No
S663
No
WLAN
S661
No
S663
No
Bluetooth
S661
No
S663
No
Positioning
S661
No
S663
No
Radio
S661
No
S663
No
USB
S661
No
S663
No
Sensors
S661
S663
Messaging
S661
SMS
S663
SMS
Browser
S661
No
S663
No
Games
S661
Yes
S663
Yes
Java
S661
No
S663
No
Other
S661
FR,HR,EFR voice codecs Languages: Chinese, English, French, Arabic
S663
FR,HR,EFR,AMR voice codecs Languages: Chinese, English, French, Hindi
Type
S661
Removable Li-Ion 700 mAh battery
S663
Removable Li-Ion 700 mAh battery
Stand-by
S661
Up to 140 h
S663
Up to 140 h
Talk time
S661
Up to 3 h
S663
Up to 3 h
Colors
S661
Black, Pink
S663
Black, White