Screen size
W8568Winner: 4.0"+13%
W85783.5"
Quick verdict
W8568 leads the measured specs 11-0.
Measured wins
W8568
11
spec wins
Overall winner
Ties
5
equal specs
W8578
0
spec wins
Screen size
Technology
W8568
GSM / HSPA
W8578
GSM / HSPA
2G bands
W8568
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
W8568
HSDPA 2100
W8578
HSDPA 900 / 2100
Speed
W8568
HSPA 21.1/11.5 Mbps
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
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
W8578
HSPA 3.6/0.384 Mbps
Announced
W8568
2013, October. Released 2013, October
W8578
2014, April. Released 2014, April
Status
W8568
Discontinued
W8578
Discontinued
Dimensions
W8568
123.5 x 63 x 18.8 mm (4.86 x 2.48 x 0.74 in)
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
Weight
W8568
214 g (7.55 oz)
W8578
217 g (7.65 oz)
SIM
W8568
Dual SIM
W8578
Dual SIM
Type
W8568
IPS LCD
W8578
TFT, 256K colors
Size
W8568
4.0 inches, 44.1 cm2 (~56.7% screen-to-body ratio)
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
Resolution
W8568
540 x 960 pixels, 16:9 ratio (~275 ppi density)
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Other
W8568
-
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
OS
W8568
Android 4.2 (Jelly Bean)
W8578
Android 4.2 (Jelly Bean)
CPU
W8568
Quad-core 1.2 GHz
W8578
-
Card slot
W8568
microSDHC (dedicated slot)
W8578
microSDHC (dedicated slot)
Internal
W8568
4GB 1GB RAM
W8578
512MB 256MB RAM
Single
W8568
8 MP, AF
W8578
5 MP
Features
W8568
LED flash
W8578
LED flash
Video
W8568
Yes
W8578
Yes
Other
W8568
No
W8578
No
Loudspeaker
W8568
Yes
W8578
Yes
3.5mm jack
W8568
Yes
W8578
Yes
WLAN
W8568
Wi-Fi 802.11 b/g
W8578
Wi-Fi 802.11 b/g
Bluetooth
W8568
4.0, A2DP, LE
W8578
2.1, EDR
Positioning
W8568
GPS
W8578
No
NFC
W8568
No
W8578
No
Radio
W8568
No
W8578
FM radio
USB
W8568
microUSB 2.0
W8578
microUSB 2.0
Sensors
W8568
Accelerometer, proximity
W8578
Accelerometer
Other
W8568
-
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
Type
W8568
Li-Ion 2100 mAh, removable
W8578
Li-Ion 2000 mAh, removable
Stand-by
W8568
Up to 535 h
W8578
Up to 850 h
Talk time
W8568
Up to 13 h
W8578
Up to 9 h
Colors
W8568
Black
W8578
Black