Screen size
W1862.0"
W8578Winner: 3.5"+43%
Quick verdict
W8578 leads the measured specs 8-2.
Measured wins
W186
2
spec wins
Ties
3
equal specs
W8578
8
spec wins
Overall winner
Screen size
Technology
W186
GSM / HSPA
W8578
GSM / HSPA
2G bands
W186
GSM 900 / 1800 / 1900
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
W186
HSDPA 850 / 2100
W8578
HSDPA 900 / 2100
Speed
W186
HSPA 3.6/0.384 Mbps
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
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
HSPA 3.6/0.384 Mbps
Announced
W186
2009, June. Released 2009, Q3
W8578
2014, April. Released 2014, April
Status
W186
Discontinued
W8578
Discontinued
Dimensions
W186
110 x 45.5 x 14 mm (4.33 x 1.79 x 0.55 in)
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
Weight
W186
108.5 g (3.81 oz)
W8578
217 g (7.65 oz)
SIM
W186
Mini-SIM
W8578
Dual SIM
Type
W186
TFT, 256K colors
W8578
TFT, 256K colors
Size
W186
2.0 inches, 12.6 cm2 (~25.2% screen-to-body ratio)
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
Resolution
W186
176 x 220 pixels (~141 ppi density)
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Other
W186
-
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
Card slot
W186
microSDHC (dedicated slot)
W8578
microSDHC (dedicated slot)
Phonebook
W186
Yes
W8578
-
Call records
W186
30 received, dialed and missed calls
W8578
-
Internal
W186
150MB
W8578
512MB 256MB RAM
Single
W186
2 MP
W8578
5 MP
Video
W186
320p@15fps
W8578
Yes
Features
W186
-
W8578
LED flash
Other
W186
No
W8578
No
Loudspeaker
W186
Yes
W8578
Yes
3.5mm jack
W186
No
W8578
Yes
WLAN
W186
No
W8578
Wi-Fi 802.11 b/g
Bluetooth
W186
2.0, A2DP
W8578
2.1, EDR
Positioning
W186
No
W8578
No
Radio
W186
Stereo FM radio
W8578
FM radio
USB
W186
miniUSB 2.0
W8578
microUSB 2.0
NFC
W186
-
W8578
No
Sensors
W186
W8578
Accelerometer
Messaging
W186
SMS, MMS, Email
W8578
-
Browser
W186
WAP 2.0/xHTML
W8578
-
Games
W186
Yes
W8578
-
Java
W186
Yes, MIDP 2.0
W8578
-
Other
W186
MP3/MP4/WAV/MP3/AAC player Organizer Voice memo Predictive text input
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
Type
W186
Removable Li-Ion 1050 mAh battery
W8578
Li-Ion 2000 mAh, removable
Stand-by
W186
Up to 520 h
W8578
Up to 850 h
Talk time
W186
Up to 6 h 30 min
W8578
Up to 9 h
Colors
W186
Black
W8578
Black
OS
W186
-
W8578
Android 4.2 (Jelly Bean)