Screen size
W6350Winner: 4.0"+13%
W85783.5"
Quick verdict
W6350 leads the measured specs 3-2.
Measured wins
W6350
3
spec wins
Overall winner
Ties
8
equal specs
W8578
2
spec wins
Screen size
Technology
W6350
GSM / HSPA
W8578
GSM / HSPA
2G bands
W6350
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
W6350
HSDPA 850 / 2100
W8578
HSDPA 900 / 2100
Speed
W6350
HSPA
W8578
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
HSPA 3.6/0.384 Mbps
Announced
W6350
2012, November. Released 2012, November
W8578
2014, April. Released 2014, April
Status
W6350
Discontinued
W8578
Discontinued
Dimensions
W6350
125.2 x 63.9 x 11.5 mm (4.93 x 2.52 x 0.45 in)
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
Weight
W6350
154 g (5.43 oz)
W8578
217 g (7.65 oz)
SIM
W6350
Dual SIM (Mini-SIM)
W8578
Dual SIM
Type
W6350
TFT
W8578
TFT, 256K colors
Size
W6350
4.0 inches, 45.5 cm2 (~56.9% screen-to-body ratio)
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
Resolution
W6350
480 x 800 pixels, 5:3 ratio (~233 ppi density)
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Other
W6350
-
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
OS
W6350
Android 2.3 (Gingerbread)
W8578
Android 4.2 (Jelly Bean)
Card slot
W6350
microSDHC (dedicated slot)
W8578
microSDHC (dedicated slot)
Internal
W6350
512MB
W8578
512MB 256MB RAM
Single
W6350
5 MP, AF
W8578
5 MP
Features
W6350
LED flash
W8578
LED flash
Video
W6350
480p@30fps
W8578
Yes
Other
W6350
W8578
No
Loudspeaker
W6350
Yes
W8578
Yes
3.5mm jack
W6350
Yes
W8578
Yes
WLAN
W6350
Wi-Fi 802.11 b/g
W8578
Wi-Fi 802.11 b/g
Bluetooth
W6350
2.1, A2DP, EDR
W8578
2.1, EDR
Positioning
W6350
GPS
W8578
No
NFC
W6350
No
W8578
No
Radio
W6350
No
W8578
FM radio
USB
W6350
2.0
W8578
microUSB 2.0
Sensors
W6350
Accelerometer, proximity
W8578
Accelerometer
Other
W6350
-
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
Type
W6350
Li-Ion 1630 mAh, removable
W8578
Li-Ion 2000 mAh, removable
Stand-by
W6350
Up to 168 h
W8578
Up to 850 h
Talk time
W6350
Up to 12 h 30 min
W8578
Up to 9 h
Colors
W6350
Black, White
W8578
Black