Screen size
equal specsW85783.5"
W95883.5"
Quick verdict
W9588 leads the measured specs 8-1.
Measured wins
W8578
1
spec wins
Ties
8
equal specs
W9588
8
spec wins
Overall winner
Screen size
equal specsTechnology
W8578
GSM / HSPA
W9588
GSM / HSPA
2G bands
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
W9588
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
W8578
HSDPA 900 / 2100
W9588
HSDPA 900 / 2100 - SIM 1
Speed
W8578
HSPA 3.6/0.384 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU 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
W9588
HSPA 21.1/11.5 Mbps
Announced
W8578
2014, April. Released 2014, April
W9588
2013, December. Released 2013, December
Status
W8578
Discontinued
W9588
Discontinued
Dimensions
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
W9588
116.5 x 61.5 x 20.5 mm (4.59 x 2.42 x 0.81 in)
Weight
W8578
217 g (7.65 oz)
W9588
246.8 g (8.71 oz)
SIM
W8578
Dual SIM
W9588
Dual SIM
Type
W8578
TFT, 256K colors
W9588
IPS LCD, 256K colors
Size
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
W9588
3.5 inches, 34.9 cm2 (~48.7% screen-to-body ratio)
Resolution
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
W9588
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Other
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
W9588
Secondary external IPS, 256K colors, 480 x 800 pixels, 3.5 inches
OS
W8578
Android 4.2 (Jelly Bean)
W9588
Android 4.2 (Jelly Bean)
CPU
W8578
-
W9588
Quad-core 1.2 GHz
Card slot
W8578
microSDHC (dedicated slot)
W9588
microSDHC (dedicated slot), 4 GB included
Internal
W8578
512MB 256MB RAM
W9588
4GB 1GB RAM
Single
W8578
5 MP
W9588
8 MP, AF
Features
W8578
LED flash
W9588
LED flash
Video
W8578
Yes
W9588
720p@30fps
Other
W8578
No
W9588
-
Single
W8578
-
W9588
1 MP
Video
W8578
-
W9588
Loudspeaker
W8578
Yes
W9588
Yes
3.5mm jack
W8578
Yes
W9588
Yes
WLAN
W8578
Wi-Fi 802.11 b/g
W9588
Wi-Fi 802.11 b/g
Bluetooth
W8578
2.1, EDR
W9588
3.0, A2DP
Positioning
W8578
No
W9588
GPS
NFC
W8578
No
W9588
No
Radio
W8578
FM radio
W9588
FM radio
USB
W8578
microUSB 2.0
W9588
microUSB 2.0
Sensors
W8578
Accelerometer
W9588
Accelerometer, proximity
Other
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
W9588
-
Type
W8578
Li-Ion 2000 mAh, removable
W9588
Li-Ion 2400 mAh, removable
Stand-by
W8578
Up to 850 h
W9588
Up to 603 h
Talk time
W8578
Up to 9 h
W9588
Up to 16 h
Colors
W8578
Black
W9588
Black