Screen size
W7273.2"
W8578Winner: 3.5"+8.6%
Quick verdict
W8578 leads the measured specs 6-2.
Measured wins
W727
2
spec wins
Ties
5
equal specs
W8578
6
spec wins
Overall winner
Screen size
Technology
W727
GSM / HSPA
W8578
GSM / HSPA
2G bands
W727
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
W727
HSDPA 2100 - SIM 1
W8578
HSDPA 900 / 2100
Speed
W727
HSPA 3.6/0.384 Mbps
Resolution
Refresh 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
SD card
equal specsStereo speakers
W8578
HSPA 3.6/0.384 Mbps
Announced
W727
2012, January. Released 2012, January
W8578
2014, April. Released 2014, April
Status
W727
Discontinued
W8578
Discontinued
Dimensions
W727
109.8 x 56.5 x 20.5 mm (4.32 x 2.22 x 0.81 in)
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
Weight
W727
189 g (6.67 oz)
W8578
217 g (7.65 oz)
SIM
W727
Dual SIM (Mini-SIM)
W8578
Dual SIM
Type
W727
TFT, 256K colors
W8578
TFT, 256K colors
Size
W727
3.2 inches, 30.5 cm2 (~49.2% screen-to-body ratio)
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
Resolution
W727
320 x 480 pixels, 3:2 ratio (~180 ppi density)
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Other
W727
External TFT display, 2.4 inches
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
Card slot
W727
microSDHC (dedicated slot)
W8578
microSDHC (dedicated slot)
Phonebook
W727
Yes, Photocall
W8578
-
Call records
W727
Yes
W8578
-
Internal
W727
100MB
W8578
512MB 256MB RAM
Single
W727
5 MP
W8578
5 MP
Video
W727
Yes
W8578
Yes
Features
W727
-
W8578
LED flash
Other
W727
No
W8578
No
Loudspeaker
W727
Yes
W8578
Yes
3.5mm jack
W727
No
W8578
Yes
WLAN
W727
Wi-Fi 802.11 b/g, hotspot
W8578
Wi-Fi 802.11 b/g
Bluetooth
W727
2.1, A2DP, EDR
W8578
2.1, EDR
Positioning
W727
No
W8578
No
Radio
W727
FM radio
W8578
FM radio
USB
W727
miniUSB 2.0
W8578
microUSB 2.0
NFC
W727
-
W8578
No
Sensors
W727
Fingerprint (front-mounted)
W8578
Accelerometer
Messaging
W727
SMS(threaded view), MMS, Email, IM
W8578
-
Games
W727
Yes
W8578
-
Java
W727
Yes, MIDP 2.0
W8578
-
Other
W727
MP3/WAV/AAC player MP4/H.263 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
W727
Removable Li-Ion 1530 mAh battery
W8578
Li-Ion 2000 mAh, removable
Stand-by
W727
-
W8578
Up to 850 h
Talk time
W727
-
W8578
Up to 9 h
Colors
W727
Gray
W8578
Black
OS
W727
-
W8578
Android 4.2 (Jelly Bean)