Screen size
S3094.0"
W7555Winner: 4.5"+11%
Quick verdict
W7555 leads the measured specs 7-4.
Measured wins
S309
4
spec wins
Ties
6
equal specs
W7555
7
spec wins
Overall winner
Screen size
Technology
S309
GSM / HSPA
W7555
GSM / HSPA
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
W7555
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
S309
HSDPA 900 / 2100
W7555
HSDPA 900 / 2100
Speed
S309
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front 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
W7555
HSPA 7.2/5.76 Mbps
Announced
S309
2015, July. Released 2015, July
W7555
2013, December. Released 2013, December
Status
S309
Discontinued
W7555
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
W7555
136.8 x 68.5 x 13.1 mm (5.39 x 2.70 x 0.52 in)
Weight
S309
127 g (4.48 oz)
W7555
154 g (5.43 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
W7555
Dual SIM, (Dual stand-by)
Type
S309
TFT, 256K colors
W7555
IPS LCD
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
W7555
4.5 inches, 55.8 cm2 (~59.6% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
W7555
540 x 960 pixels, 16:9 ratio (~245 ppi density)
OS
S309
Android 5.1 (Lollipop)
W7555
Android 4.1 (Jelly Bean)
CPU
S309
Dual-core 1.0 GHz
W7555
Quad-core 1.2 GHz
Card slot
S309
microSDHC (dedicated slot)
W7555
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
W7555
4GB 1GB RAM
Single
S309
5 MP, AF
W7555
8 MP, AF
Features
S309
LED flash
W7555
LED flash
Video
S309
Yes
W7555
Yes
Single
S309
VGA
W7555
Yes
Video
S309
W7555
Loudspeaker
S309
Yes
W7555
Yes, with stereo speakers
3.5mm jack
S309
Yes
W7555
Yes
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
W7555
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
S309
4.0, A2DP
W7555
3.0, A2DP
Positioning
S309
GPS
W7555
GPS, GLONASS
NFC
S309
No
W7555
No
Radio
S309
FM radio
W7555
FM radio
USB
S309
microUSB 2.0
W7555
microUSB 2.0
Sensors
S309
Accelerometer, proximity
W7555
Accelerometer, proximity
Type
S309
Li-Ion 1600 mAh, removable
W7555
Li-Ion 2400 mAh, removable
Stand-by
S309
Up to 500 h (3G)
W7555
-
Talk time
S309
Up to 9 h 30 min (3G)
W7555
Up to 13 h
Music play
S309
-
W7555
Up to 35 h
Colors
S309
Black, Red
W7555
Black/Red
Price
S309
-
W7555
About 220 EUR