Screen size
D6122.4"
W8578Winner: 3.5"+31%
Quick verdict
W8578 leads the measured specs 7-2.
Measured wins
D612
2
spec wins
Ties
4
equal specs
W8578
7
spec wins
Overall winner
Screen size
Technology
D612
GSM / CDMA / EVDO
W8578
GSM / HSPA
2G bands
D612
GSM 900 / 1800 , CDMA 800
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
D612
CDMA2000 1xEV-DO
W8578
HSDPA 900 / 2100
Speed
D612
EV-DO Rev. 0
W8578
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
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
HSPA 3.6/0.384 Mbps
Announced
D612
2011, April. Released 2011, April
W8578
2014, April. Released 2014, April
Status
D612
Discontinued
W8578
Discontinued
Dimensions
D612
114 x 50 x 14.2 mm (4.49 x 1.97 x 0.56 in)
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
Weight
D612
105 g (3.70 oz)
W8578
217 g (7.65 oz)
SIM
D612
Dual SIM (Mini-SIM)
W8578
Dual SIM
Type
D612
TFT resistive touchscreen, 65K colors
W8578
TFT, 256K colors
Size
D612
2.4 inches, 17.8 cm2 (~31.3% screen-to-body ratio)
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
Resolution
D612
240 x 320 pixels, 4:3 ratio (~167 ppi density)
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Other
D612
Handwriting recognition
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
Card slot
D612
microSDHC (dedicated slot)
W8578
microSDHC (dedicated slot)
Phonebook
D612
Yes, Photocall
W8578
-
Call records
D612
Yes
W8578
-
Internal
D612
120MB
W8578
512MB 256MB RAM
Single
D612
2 MP
W8578
5 MP
Video
D612
320p@15fps
W8578
Yes
Features
D612
-
W8578
LED flash
Other
D612
No
W8578
No
Loudspeaker
D612
Yes
W8578
Yes
3.5mm jack
D612
No
W8578
Yes
WLAN
D612
No
W8578
Wi-Fi 802.11 b/g
Bluetooth
D612
2.1, A2DP
W8578
2.1, EDR
Positioning
D612
GPS, A-GPS
W8578
No
Radio
D612
No
W8578
FM radio
USB
D612
miniUSB 2.0
W8578
microUSB 2.0
NFC
D612
-
W8578
No
Sensors
D612
W8578
Accelerometer
Messaging
D612
SMS, MMS, Email, IM
W8578
-
Browser
D612
WAP 2.0/xHTML
W8578
-
Games
D612
Yes
W8578
-
Java
D612
No
W8578
-
Other
D612
MP3/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
D612
Removable Li-Ion 1200 mAh battery
W8578
Li-Ion 2000 mAh, removable
Stand-by
D612
Up to 130 h
W8578
Up to 850 h
Talk time
D612
Up to 3 h 40 min
W8578
Up to 9 h
Colors
D612
Black
W8578
Black
OS
D612
-
W8578
Android 4.2 (Jelly Bean)