Screen size
W8578Winner: 3.5"+31%
X6232.4"
Quick verdict
W8578 leads the measured specs 4-2.
Measured wins
W8578
4
spec wins
Overall winner
Ties
7
equal specs
X623
2
spec wins
Screen size
Technology
W8578
GSM / HSPA
X623
GSM
2G bands
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
X623
GSM 850 / 900 / 1800 / 1900 - SIM 1, GSM 850 / 900 / 1800 / 1900 - SIM 2
3G bands
W8578
HSDPA 900 / 2100
X623
-
Speed
W8578
HSPA 3.6/0.384 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
X623
-
GPRS
W8578
-
X623
Class 12
EDGE
W8578
-
X623
Yes
Announced
W8578
2014, April. Released 2014, April
X623
2011, December. Released 2011, December
Status
W8578
Discontinued
X623
Discontinued
Dimensions
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
X623
118.5 x 49 x 15.2 mm (4.67 x 1.93 x 0.60 in)
Weight
W8578
217 g (7.65 oz)
X623
132.8 g (4.66 oz)
SIM
W8578
Dual SIM
X623
Dual SIM (Mini-SIM)
Type
W8578
TFT, 256K colors
X623
IPS LCD, 256K colors
Size
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
X623
2.4 inches, 17.8 cm2 (~30.7% screen-to-body ratio)
Resolution
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
X623
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Other
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
X623
-
OS
W8578
Android 4.2 (Jelly Bean)
X623
-
Card slot
W8578
microSDHC (dedicated slot)
X623
microSDHC (dedicated slot)
Internal
W8578
512MB 256MB RAM
X623
64MB
Phonebook
W8578
-
X623
Yes, Photocall
Call records
W8578
-
X623
Yes
Single
W8578
5 MP
X623
5 MP
Features
W8578
LED flash
X623
LED flash
Video
W8578
Yes
X623
QCIF
Other
W8578
No
X623
No
Loudspeaker
W8578
Yes
X623
Yes
3.5mm jack
W8578
Yes
X623
Yes
WLAN
W8578
Wi-Fi 802.11 b/g
X623
No
Bluetooth
W8578
2.1, EDR
X623
2.1, A2DP
Positioning
W8578
No
X623
No
NFC
W8578
No
X623
-
Radio
W8578
FM radio
X623
FM radio, RDS
USB
W8578
microUSB 2.0
X623
2.0
Sensors
W8578
Accelerometer
X623
Other
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
X623
MP3/AAC+/WMA/WAV player MP4/H.264 player Organizer Voice memo Predictive text input
Messaging
W8578
-
X623
SMS(threaded view), MMS, Email
Games
W8578
-
X623
Yes
Java
W8578
-
X623
Yes, MIDP 2.0
Type
W8578
Li-Ion 2000 mAh, removable
X623
Removable Li-Ion 2000 mAh battery
Stand-by
W8578
Up to 850 h
X623
Up to 1200 h
Talk time
W8578
Up to 9 h
X623
Up to 23 h
Colors
W8578
Black
X623
Black, Silver