Screen size
S309Winner: 4.0"+20%
W7253.2"
Quick verdict
S309 leads the measured specs 11-1.
Measured wins
S309
11
spec wins
Overall winner
Ties
4
equal specs
W725
1
spec wins
Screen size
Technology
S309
GSM / HSPA
W725
GSM / HSPA
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
W725
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
S309
HSDPA 900 / 2100
W725
HSDPA 2100 - SIM 1 only
Speed
S309
HSPA 21.1/5.76 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
3.5mm jack
SD card
equal specsStereo speakers
W725
HSPA 3.6/0.384 Mbps
Announced
S309
2015, July. Released 2015, July
W725
2011, Q3
Status
S309
Discontinued
W725
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
W725
108.8 x 56.3 x 15 mm (4.28 x 2.22 x 0.59 in)
Weight
S309
127 g (4.48 oz)
W725
-
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
W725
Dual SIM (Mini-SIM, dual stand-by)
Type
S309
TFT, 256K colors
W725
TFT resistive touchscreen, 256K colors
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
W725
3.2 inches, 29.1 cm2 (~47.6% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
W725
240 x 400 pixels, 5:3 ratio (~146 ppi density)
OS
S309
Android 5.1 (Lollipop)
W725
-
CPU
S309
Dual-core 1.0 GHz
W725
-
Card slot
S309
microSDHC (dedicated slot)
W725
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
W725
100MB
Phonebook
S309
-
W725
Yes, Photocall
Call records
S309
-
W725
Yes
Single
S309
5 MP, AF
W725
5 MP, AF
Features
S309
LED flash
W725
LED flash
Video
S309
Yes
W725
320p@30fps
Single
S309
VGA
W725
Yes
Video
S309
W725
Loudspeaker
S309
Yes
W725
Yes
3.5mm jack
S309
Yes
W725
No
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
W725
No
Bluetooth
S309
4.0, A2DP
W725
2.1, A2DP, EDR
Positioning
S309
GPS
W725
GPS, A-GPS
NFC
S309
No
W725
-
Radio
S309
FM radio
W725
FM radio
USB
S309
microUSB 2.0
W725
miniUSB 2.0
Sensors
S309
Accelerometer, proximity
W725
Accelerometer
Messaging
S309
-
W725
SMS(threaded view), MMS, Email
Games
S309
-
W725
Yes
Java
S309
-
W725
Yes, MIDP 2.0
Other
S309
-
W725
MP3/WAV/AAC+ player MP4/H.263 player Organizer Voice memo Predictive text input
Type
S309
Li-Ion 1600 mAh, removable
W725
Removable Li-Ion 2100 mAh battery
Stand-by
S309
Up to 500 h (3G)
W725
Up to 950 h (2G) / Up to 600 h (3G)
Talk time
S309
Up to 9 h 30 min (3G)
W725
Up to 26 h (2G) / Up to 14 h (3G)
Colors
S309
Black, Red
W725
Black