Screen size
W8500Winner: 4.3"+19%
W85783.5"
Quick verdict
W8500 leads the measured specs 10-1.
Measured wins
W8500
10
spec wins
Overall winner
Ties
5
equal specs
W8578
1
spec wins
Screen size
Technology
W8500
GSM / HSPA
W8578
GSM / HSPA
2G bands
W8500
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
W8500
HSDPA 900 / 2100
W8578
HSDPA 900 / 2100
Speed
W8500
HSPA 7.2/5.76 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
W8500
2013, October. Released 2013, October
W8578
2014, April. Released 2014, April
Status
W8500
Discontinued
W8578
Discontinued
Dimensions
W8500
132 x 71 x 12.3 mm (5.20 x 2.80 x 0.48 in)
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
Weight
W8500
172 g (6.07 oz)
W8578
217 g (7.65 oz)
SIM
W8500
Dual SIM, (Mini-SIM, dual stand-by)
W8578
Dual SIM
Other
W8500
IP67 dust/water resistant (up to 1m for 30 min)
W8578
-
Type
W8500
TFT
W8578
TFT, 256K colors
Size
W8500
4.3 inches, 51.0 cm2 (~54.4% screen-to-body ratio)
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
Resolution
W8500
540 x 960 pixels, 16:9 ratio (~256 ppi density)
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Protection
W8500
Corning Gorilla Glass
W8578
-
Other
W8500
-
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
OS
W8500
Android 4.1 (Jelly Bean)
W8578
Android 4.2 (Jelly Bean)
CPU
W8500
Dual-core 1.2 GHz
W8578
-
Card slot
W8500
microSDHC (dedicated slot)
W8578
microSDHC (dedicated slot)
Internal
W8500
4GB
W8578
512MB 256MB RAM
Single
W8500
8 MP, AF
W8578
5 MP
Features
W8500
LED flash
W8578
LED flash
Video
W8500
Yes
W8578
Yes
Other
W8500
No
W8578
No
Loudspeaker
W8500
Yes
W8578
Yes
3.5mm jack
W8500
Yes
W8578
Yes
WLAN
W8500
Wi-Fi 802.11 b/g
W8578
Wi-Fi 802.11 b/g
Bluetooth
W8500
3.0, A2DP
W8578
2.1, EDR
Positioning
W8500
GPS
W8578
No
NFC
W8500
No
W8578
No
Radio
W8500
No
W8578
FM radio
USB
W8500
microUSB 2.0
W8578
microUSB 2.0
Sensors
W8500
Accelerometer, proximity
W8578
Accelerometer
Other
W8500
-
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
Type
W8500
Li-Ion 2400 mAh, removable
W8578
Li-Ion 2000 mAh, removable
Talk time
W8500
Up to 8 h
W8578
Up to 9 h
Stand-by
W8500
-
W8578
Up to 850 h
Colors
W8500
Silver
W8578
Black