Screen size
S309Winner: 4.0"+13%
W55103.5"
Quick verdict
S309 leads the measured specs 8-1.
Measured wins
S309
8
spec wins
Overall winner
Ties
7
equal specs
W5510
1
spec wins
Screen size
Technology
S309
GSM / HSPA
W5510
GSM / HSPA
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
W5510
GSM 850 / 900 / 1800 / 1900
3G bands
S309
HSDPA 900 / 2100
W5510
HSDPA 850 / 1900
Speed
S309
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
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
W5510
HSPA 7.2/5.76 Mbps
Announced
S309
2015, July. Released 2015, July
W5510
2013, September. Released 2013, September
Status
S309
Discontinued
W5510
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
W5510
116.2 x 63 x 13 mm (4.57 x 2.48 x 0.51 in)
Weight
S309
127 g (4.48 oz)
W5510
138.8 g (4.87 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
W5510
Yes
Type
S309
TFT, 256K colors
W5510
TFT
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
W5510
3.5 inches, 36.5 cm2 (~49.8% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
W5510
320 x 480 pixels, 3:2 ratio (~165 ppi density)
OS
S309
Android 5.1 (Lollipop)
W5510
Android 4.1 (Jelly Bean)
CPU
S309
Dual-core 1.0 GHz
W5510
1.0 GHz
Card slot
S309
microSDHC (dedicated slot)
W5510
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
W5510
-
Single
S309
5 MP, AF
W5510
5 MP
Features
S309
LED flash
W5510
-
Video
S309
Yes
W5510
480p@30fps
Single
S309
VGA
W5510
-
Video
S309
W5510
-
Other
S309
-
W5510
Loudspeaker
S309
Yes
W5510
Yes
3.5mm jack
S309
Yes
W5510
Yes
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
W5510
Wi-Fi 802.11 b/g
Bluetooth
S309
4.0, A2DP
W5510
3.0, A2DP
Positioning
S309
GPS
W5510
GPS
NFC
S309
No
W5510
No
Radio
S309
FM radio
W5510
No
USB
S309
microUSB 2.0
W5510
microUSB 2.0
Sensors
S309
Accelerometer, proximity
W5510
Accelerometer, proximity
Other
S309
-
W5510
ISDB-T mobile TV
Type
S309
Li-Ion 1600 mAh, removable
W5510
Li-Ion 1630 mAh, removable
Stand-by
S309
Up to 500 h (3G)
W5510
Up to 465 h (2G) / Up to 326 h (3G)
Talk time
S309
Up to 9 h 30 min (3G)
W5510
Up to 11 h 40 min (2G) / Up to 7 h (3G)
Colors
S309
Black, Red
W5510
Dark gray