Screen size
S6601.5"
W8578Winner: 3.5"+57%
Quick verdict
W8578 leads the measured specs 10-2.
Measured wins
S660
2
spec wins
Ties
1
equal specs
W8578
10
spec wins
Overall winner
Screen size
Technology
S660
GSM
W8578
GSM / HSPA
2G bands
S660
GSM 900 / 1800
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
S660
Yes
W8578
-
EDGE
S660
No
W8578
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
SD card
Stereo speakers
-
3G bands
S660
-
W8578
HSDPA 900 / 2100
Speed
S660
-
W8578
HSPA 3.6/0.384 Mbps
Announced
S660
2006, September
W8578
2014, April. Released 2014, April
Status
S660
Discontinued
W8578
Discontinued
Dimensions
S660
101 x 43 x 18 mm (3.98 x 1.69 x 0.71 in)
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
Weight
S660
83 g (2.93 oz)
W8578
217 g (7.65 oz)
SIM
S660
Mini-SIM
W8578
Dual SIM
Type
S660
CSTN, 65K colors
W8578
TFT, 256K colors
Size
S660
1.5 inches, 7.3 cm2 (~16.7% screen-to-body ratio)
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
Resolution
S660
128 x 128 pixels, 1:1 ratio (~121 ppi density)
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Other
S660
4-way navigation key
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
Card slot
S660
No
W8578
microSDHC (dedicated slot)
Phonebook
S660
Yes
W8578
-
Call records
S660
30 received, dialed and missed calls
W8578
-
Internal
S660
128MB
W8578
512MB 256MB RAM
Single
S660
VGA
W8578
5 MP
Video
S660
Yes
W8578
Yes
Features
S660
-
W8578
LED flash
Other
S660
No
W8578
No
Loudspeaker
S660
No
W8578
Yes
Alert types
S660
Vibration; Downloadable polyphonic, MP3 ringtones
W8578
-
3.5mm jack
S660
No
W8578
Yes
WLAN
S660
No
W8578
Wi-Fi 802.11 b/g
Bluetooth
S660
No
W8578
2.1, EDR
Positioning
S660
No
W8578
No
Radio
S660
No
W8578
FM radio
USB
S660
Proprietary
W8578
microUSB 2.0
NFC
S660
-
W8578
No
Sensors
S660
W8578
Accelerometer
Messaging
S660
SMS, EMS, MMS
W8578
-
Browser
S660
WAP 2.0/xHTML
W8578
-
Games
S660
3 embedded
W8578
-
Java
S660
No
W8578
-
Other
S660
Predictive text input MP3 player Organizer World clock Lunar calendar
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
Type
S660
Removable Li-Ion 1000 mAh battery
W8578
Li-Ion 2000 mAh, removable
Stand-by
S660
Up to 250 h
W8578
Up to 850 h
Talk time
S660
Up to 5 h
W8578
Up to 9 h
Colors
S660
Black
W8578
Black
OS
S660
-
W8578
Android 4.2 (Jelly Bean)