Screen size
equal specsW55103.5"
W85783.5"
Quick verdict
W5510 leads the measured specs 4-3.
Measured wins
W5510
4
spec wins
Overall winner
Ties
7
equal specs
W8578
3
spec wins
Screen size
equal specsTechnology
W5510
GSM / HSPA
W8578
GSM / HSPA
2G bands
W5510
GSM 850 / 900 / 1800 / 1900
W8578
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
W5510
HSDPA 850 / 1900
W8578
HSDPA 900 / 2100
Speed
W5510
HSPA 7.2/5.76 Mbps
Resolution
Refresh 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
W5510
2013, September. Released 2013, September
W8578
2014, April. Released 2014, April
Status
W5510
Discontinued
W8578
Discontinued
Dimensions
W5510
116.2 x 63 x 13 mm (4.57 x 2.48 x 0.51 in)
W8578
116 x 60 x 21 mm (4.57 x 2.36 x 0.83 in)
Weight
W5510
138.8 g (4.87 oz)
W8578
217 g (7.65 oz)
SIM
W5510
Yes
W8578
Dual SIM
Type
W5510
TFT
W8578
TFT, 256K colors
Size
W5510
3.5 inches, 36.5 cm2 (~49.8% screen-to-body ratio)
W8578
3.5 inches, 34.9 cm2 (~50.1% screen-to-body ratio)
Resolution
W5510
320 x 480 pixels, 3:2 ratio (~165 ppi density)
W8578
480 x 800 pixels, 5:3 ratio (~267 ppi density)
Other
W5510
-
W8578
Secondary TFT, 256K colors 240 x 320 pixels, 2.6 inches
OS
W5510
Android 4.1 (Jelly Bean)
W8578
Android 4.2 (Jelly Bean)
CPU
W5510
1.0 GHz
W8578
-
Card slot
W5510
microSDHC (dedicated slot)
W8578
microSDHC (dedicated slot)
Internal
W5510
-
W8578
512MB 256MB RAM
Single
W5510
5 MP
W8578
5 MP
Video
W5510
480p@30fps
W8578
Yes
Features
W5510
-
W8578
LED flash
Other
W5510
W8578
No
Loudspeaker
W5510
Yes
W8578
Yes
3.5mm jack
W5510
Yes
W8578
Yes
WLAN
W5510
Wi-Fi 802.11 b/g
W8578
Wi-Fi 802.11 b/g
Bluetooth
W5510
3.0, A2DP
W8578
2.1, EDR
Positioning
W5510
GPS
W8578
No
NFC
W5510
No
W8578
No
Radio
W5510
No
W8578
FM radio
USB
W5510
microUSB 2.0
W8578
microUSB 2.0
Sensors
W5510
Accelerometer, proximity
W8578
Accelerometer
Other
W5510
ISDB-T mobile TV
W8578
SNS integration MP3/WAV/WMA/eAAC+ player MP4/H.263 player Document viewer Photo viewer Organizer Voice memo Predictive text input
Type
W5510
Li-Ion 1630 mAh, removable
W8578
Li-Ion 2000 mAh, removable
Stand-by
W5510
Up to 465 h (2G) / Up to 326 h (3G)
W8578
Up to 850 h
Talk time
W5510
Up to 11 h 40 min (2G) / Up to 7 h (3G)
W8578
Up to 9 h
Colors
W5510
Dark gray
W8578
Black