Screen size
W8578Winner: 3.5"+31%
X6202.4"
Quick verdict
W8578 leads the measured specs 8-3.
Measured wins
W8578
8
spec wins
Overall winner
Ties
2
equal specs
X620
3
spec wins
Screen size
Technology
W8578
GSM / HSPA
X620
GSM
2G bands
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
X620
GSM 850 / 900 / 1800 / 1900
3G bands
W8578
HSDPA 900 / 2100
X620
-
Speed
W8578
HSPA 3.6/0.384 Mbps
X620
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
-
X620
Class 10
EDGE
W8578
-
X620
Class 10
Announced
W8578
2014, April. Released 2014, April
X620
2009, January. Released 2009
Status
W8578
Discontinued
X620
Discontinued
Dimensions
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
X620
110 x 50 x 15 mm (4.33 x 1.97 x 0.59 in)
Weight
W8578
217 g (7.65 oz)
X620
120 g (4.23 oz)
SIM
W8578
Dual SIM
X620
Mini-SIM
Type
W8578
TFT, 256K colors
X620
TFT, 256K colors
Size
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
X620
2.4 inches, 17.8 cm2 (~32.4% screen-to-body ratio)
Resolution
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
X620
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Other
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
X620
Screensavers and wallpapers
OS
W8578
Android 4.2 (Jelly Bean)
X620
-
Card slot
W8578
microSDHC (dedicated slot)
X620
microSDHC (dedicated slot)
Internal
W8578
512MB 256MB RAM
X620
80MB
Phonebook
W8578
-
X620
Yes
Call records
W8578
-
X620
30 received, dialed and missed calls
Single
W8578
5 MP
X620
3.15 MP
Features
W8578
LED flash
X620
-
Video
W8578
Yes
X620
CIF@15fps
Other
W8578
No
X620
No
Loudspeaker
W8578
Yes
X620
Yes
3.5mm jack
W8578
Yes
X620
No
WLAN
W8578
Wi-Fi 802.11 b/g
X620
No
Bluetooth
W8578
2.1, EDR
X620
2.0, A2DP
Positioning
W8578
No
X620
No
NFC
W8578
No
X620
-
Radio
W8578
FM radio
X620
FM radio
USB
W8578
microUSB 2.0
X620
miniUSB 1.1
Sensors
W8578
Accelerometer
X620
Other
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
X620
MP3/WAV/AAC player Voice memo Organizer Predictive text input
Messaging
W8578
-
X620
SMS, MMS
Browser
W8578
-
X620
WAP 2.0/xHTML
Games
W8578
-
X620
2 games + downloadable
Java
W8578
-
X620
Yes, MIDP 2.0
Type
W8578
Li-Ion 2000 mAh, removable
X620
Removable Li-Ion 1530 mAh battery
Stand-by
W8578
Up to 850 h
X620
Up to 1200 h
Talk time
W8578
Up to 9 h
X620
Up to 12 h
Colors
W8578
Black
X620
Black
SAR
W8578
-
X620
1.09 W/kg (head)
SAR EU
W8578
-
X620
0.40 W/kg (head)
Price
W8578
-
X620
About 190 EUR