Screen size
W85783.5"
W920Winner: 4.3"+19%
Quick verdict
W8578 leads the measured specs 4-2.
Measured wins
W8578
4
spec wins
Overall winner
Ties
7
equal specs
W920
2
spec wins
Screen size
Technology
W8578
GSM / HSPA
W920
GSM / HSPA
2G bands
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
W920
GSM 850 / 900 / 1800 / 1900
3G bands
W8578
HSDPA 900 / 2100
W920
HSDPA 850 / 2100
Speed
W8578
HSPA 3.6/0.384 Mbps
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
3.5mm jack
equal specsSD card
equal specsStereo speakers
W920
HSPA 7.2/0.384 Mbps
Announced
W8578
2014, April. Released 2014, April
W920
2011, December. Released 2011, December
Status
W8578
Discontinued
W920
Discontinued
Dimensions
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
W920
128 x 70 x 12.9 mm (5.04 x 2.76 x 0.51 in)
Weight
W8578
217 g (7.65 oz)
W920
-
SIM
W8578
Dual SIM
W920
Mini-SIM
Type
W8578
TFT, 256K colors
W920
TFT
Size
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
W920
4.3 inches, 52.6 cm2 (~58.7% screen-to-body ratio)
Resolution
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
W920
480 x 800 pixels, 5:3 ratio (~217 ppi density)
Other
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
W920
-
OS
W8578
Android 4.2 (Jelly Bean)
W920
Android 2.2 (Froyo)
Card slot
W8578
microSDHC (dedicated slot)
W920
microSDHC (dedicated slot)
Internal
W8578
512MB 256MB RAM
W920
180MB 512MB RAM
Single
W8578
5 MP
W920
5 MP, AF
Features
W8578
LED flash
W920
LED flash
Video
W8578
Yes
W920
480p
Other
W8578
No
W920
No
Loudspeaker
W8578
Yes
W920
Yes
3.5mm jack
W8578
Yes
W920
Yes
WLAN
W8578
Wi-Fi 802.11 b/g
W920
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
W8578
2.1, EDR
W920
2.1, A2DP
Positioning
W8578
No
W920
GPS, A-GPS
NFC
W8578
No
W920
-
Radio
W8578
FM radio
W920
No
USB
W8578
microUSB 2.0
W920
2.0
Sensors
W8578
Accelerometer
W920
Accelerometer, proximity, compass
Other
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
W920
MP3/WAV/WMA/AAC+ player MP4/H.263 player Document viewer Organizer Voice memo Predictive text input
Type
W8578
Li-Ion 2000 mAh, removable
W920
Removable Li-Ion 1280 mAh battery
Stand-by
W8578
Up to 850 h
W920
Up to 400 h
Talk time
W8578
Up to 9 h
W920
Up to 12 h
Colors
W8578
Black
W920
Black/Gold