Screen size
D833Winner: 4.3"+19%
W85783.5"
Quick verdict
D833 leads the measured specs 7-1.
Measured wins
D833
7
spec wins
Overall winner
Ties
7
equal specs
W8578
1
spec wins
Screen size
Technology
D833
GSM / CDMA / EVDO
W8578
GSM / HSPA
2G bands
D833
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2, CDMA 800 / 1900
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
D833
CDMA2000 1xEV-DO
W8578
HSDPA 900 / 2100
Speed
D833
EV-DO Rev.A 3.1 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
W8578
HSPA 3.6/0.384 Mbps
Announced
D833
2013, October. Released 2013, October
W8578
2014, April. Released 2014, April
Status
D833
Discontinued
W8578
Discontinued
Dimensions
D833
128 x 67.3 x 12.1 mm (5.04 x 2.65 x 0.48 in)
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
Weight
D833
163 g (5.75 oz)
W8578
217 g (7.65 oz)
SIM
D833
Dual SIM (Dual stand-by)
W8578
Dual SIM
Type
D833
IPS LCD
W8578
TFT, 256K colors
Size
D833
4.3 inches, 52.6 cm2 (~61.1% screen-to-body ratio)
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
Resolution
D833
480 x 800 pixels, 5:3 ratio (~217 ppi density)
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Other
D833
-
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
OS
D833
Android 4.0 (Ice Cream Sandwich)
W8578
Android 4.2 (Jelly Bean)
CPU
D833
Dual-core 1.0 GHz
W8578
-
Card slot
D833
microSDHC (dedicated slot)
W8578
microSDHC (dedicated slot)
Internal
D833
4GB
W8578
512MB 256MB RAM
Single
D833
5 MP, AF
W8578
5 MP
Features
D833
LED flash
W8578
LED flash
Video
D833
480p
W8578
Yes
Other
D833
No
W8578
No
Loudspeaker
D833
Yes
W8578
Yes
3.5mm jack
D833
Yes
W8578
Yes
WLAN
D833
Wi-Fi 802.11 b/g
W8578
Wi-Fi 802.11 b/g
Bluetooth
D833
3.0, A2DP
W8578
2.1, EDR
Positioning
D833
GPS
W8578
No
NFC
D833
No
W8578
No
Radio
D833
No
W8578
FM radio
USB
D833
microUSB 2.0
W8578
microUSB 2.0
Sensors
D833
Accelerometer, proximity
W8578
Accelerometer
Other
D833
-
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
Type
D833
Li-Ion 2400 mAh, removable
W8578
Li-Ion 2000 mAh, removable
Stand-by
D833
Up to 300 h
W8578
Up to 850 h
Talk time
D833
Up to 17 h
W8578
Up to 9 h
Colors
D833
Black/Gray
W8578
Black