Screen size
D9002.8"
W8578Winner: 3.5"+20%
Quick verdict
W8578 leads the measured specs 8-2.
Measured wins
D900
2
spec wins
Ties
3
equal specs
W8578
8
spec wins
Overall winner
Screen size
Technology
D900
CDMA / EVDO
W8578
GSM / HSPA
2G bands
D900
CDMA 800 / 1900
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
D900
CDMA2000 1xEV-DO
W8578
HSDPA 900 / 2100
Speed
D900
CDMA
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
HSPA 3.6/0.384 Mbps
Announced
D900
2010. Released 2010, Q3
W8578
2014, April. Released 2014, April
Status
D900
Discontinued
W8578
Discontinued
Dimensions
D900
101.2 x 60.5 x 15 mm (3.98 x 2.38 x 0.59 in)
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
Weight
D900
147.8 g (5.19 oz)
W8578
217 g (7.65 oz)
SIM
D900
Mini-SIM
W8578
Dual SIM
Type
D900
TFT resistive touchscreen, 65K colors
W8578
TFT, 256K colors
Size
D900
2.8 inches, 24.3 cm2 (~39.7% screen-to-body ratio)
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
Resolution
D900
240 x 320 pixels, 4:3 ratio (~143 ppi density)
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Other
D900
Handwriting recognition
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
OS
D900
Microsoft Windows Mobile OS
W8578
Android 4.2 (Jelly Bean)
Card slot
D900
microSD (dedicated slot)
W8578
microSDHC (dedicated slot)
Internal
D900
-
W8578
512MB 256MB RAM
Single
D900
2 MP
W8578
5 MP
Video
D900
352x288
W8578
Yes
Features
D900
-
W8578
LED flash
Other
D900
No
W8578
No
Loudspeaker
D900
Yes
W8578
Yes
3.5mm jack
D900
No
W8578
Yes
WLAN
D900
Wi-Fi 802.11 b/g
W8578
Wi-Fi 802.11 b/g
Bluetooth
D900
2.1, A2DP
W8578
2.1, EDR
Positioning
D900
GPS, A-GPS
W8578
No
Radio
D900
No
W8578
FM radio
USB
D900
miniUSB 1.1
W8578
microUSB 2.0
NFC
D900
-
W8578
No
Sensors
D900
W8578
Accelerometer
Browser
D900
WAP 2.0/xHTML, HTML
W8578
-
Other
D900
MP3/WAV/WMA/eAAC+ player MP4/WMV/H.264 player Organizer 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
D900
Removable Li-Ion battery
W8578
Li-Ion 2000 mAh, removable
Stand-by
D900
-
W8578
Up to 850 h
Talk time
D900
-
W8578
Up to 9 h
Colors
D900
Black
W8578
Black