Screen size
W8578Winner: 3.5"+31%
X6502.4"
Quick verdict
W8578 leads the measured specs 9-2.
Measured wins
W8578
9
spec wins
Overall winner
Ties
2
equal specs
X650
2
spec wins
Screen size
Technology
W8578
GSM / HSPA
X650
GSM
2G bands
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
X650
GSM 900 / 1800 / 1900
3G bands
W8578
HSDPA 900 / 2100
X650
-
Speed
W8578
HSPA 3.6/0.384 Mbps
X650
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
-
GPRS
W8578
-
X650
Class 10
EDGE
W8578
-
X650
Class 10
Announced
W8578
2014, April. Released 2014, April
X650
2009, November. Released 2009, December
Status
W8578
Discontinued
X650
Discontinued
Dimensions
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
X650
104.4 x 52 x 16.8 mm (4.11 x 2.05 x 0.66 in)
Weight
W8578
217 g (7.65 oz)
X650
133.9 (4.69 oz)
SIM
W8578
Dual SIM
X650
Mini-SIM
Type
W8578
TFT, 256K colors
X650
TFT, 256K colors
Size
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
X650
2.4 inches, 17.8 cm2 (~32.9% screen-to-body ratio)
Resolution
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
X650
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Other
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
X650
Screensavers and wallpapers
OS
W8578
Android 4.2 (Jelly Bean)
X650
-
Card slot
W8578
microSDHC (dedicated slot)
X650
microSDHC (dedicated slot)
Internal
W8578
512MB 256MB RAM
X650
79MB
Phonebook
W8578
-
X650
1000 entries, Photocall
Call records
W8578
-
X650
30 received, dialed and missed calls
Single
W8578
5 MP
X650
3.15 MP, AF
Features
W8578
LED flash
X650
-
Video
W8578
Yes
X650
CIF@15fps
Other
W8578
No
X650
No
Loudspeaker
W8578
Yes
X650
Yes
3.5mm jack
W8578
Yes
X650
No
WLAN
W8578
Wi-Fi 802.11 b/g
X650
No
Bluetooth
W8578
2.1, EDR
X650
2.0, A2DP
Positioning
W8578
No
X650
No
NFC
W8578
No
X650
-
Radio
W8578
FM radio
X650
FM radio, RDS
USB
W8578
microUSB 2.0
X650
miniUSB 1.1
Sensors
W8578
Accelerometer
X650
Other
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
X650
MP3/WAV/AAC player MP4/3gp player Voice memo Organizer Predictive text input
Messaging
W8578
-
X650
SMS(threaded view), MMS, Email
Browser
W8578
-
X650
WAP 2.0/xHTML
Games
W8578
-
X650
Yes + downloadable
Java
W8578
-
X650
Yes, MIDP 2.0
Type
W8578
Li-Ion 2000 mAh, removable
X650
Removable Li-Ion 1050 mAh battery
Stand-by
W8578
Up to 850 h
X650
Up to 850 h
Talk time
W8578
Up to 9 h
X650
Up to 8 h
Colors
W8578
Black
X650
Black