Screen size
S309Winner: 4.0"+25%
X7033.0"
Quick verdict
S309 leads the measured specs 10-2.
Measured wins
S309
10
spec wins
Overall winner
Ties
4
equal specs
X703
2
spec wins
Screen size
Technology
S309
GSM / HSPA
X703
GSM
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
X703
GSM 900 / 1800 / 1900
3G bands
S309
HSDPA 900 / 2100
X703
-
Speed
S309
HSPA 21.1/5.76 Mbps
X703
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
-
GPRS
S309
-
X703
Class 12
EDGE
S309
-
X703
Yes
Announced
S309
2015, July. Released 2015, July
X703
2010, May. Released 2010, May
Status
S309
Discontinued
X703
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
X703
102 x 51.5 x 13 mm (4.02 x 2.03 x 0.51 in)
Weight
S309
127 g (4.48 oz)
X703
93.5 g (3.28 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
X703
Mini-SIM
Type
S309
TFT, 256K colors
X703
TFT resistive touchscreen, 256K colors
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
X703
3.0 inches, 25.6 cm2 (~48.8% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
X703
240 x 400 pixels, 5:3 ratio (~155 ppi density)
OS
S309
Android 5.1 (Lollipop)
X703
-
CPU
S309
Dual-core 1.0 GHz
X703
-
Card slot
S309
microSDHC (dedicated slot)
X703
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
X703
48MB
Phonebook
S309
-
X703
1000 entries, Photocall
Call records
S309
-
X703
Yes
Single
S309
5 MP, AF
X703
3.15 MP, AF
Features
S309
LED flash
X703
-
Video
S309
Yes
X703
QCIF@15fps
Single
S309
VGA
X703
-
Video
S309
X703
-
Other
S309
-
X703
No
Loudspeaker
S309
Yes
X703
Yes
3.5mm jack
S309
Yes
X703
Yes
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
X703
No
Bluetooth
S309
4.0, A2DP
X703
2.0, A2DP
Positioning
S309
GPS
X703
No
NFC
S309
No
X703
-
Radio
S309
FM radio
X703
Stereo FM radio, RDS
USB
S309
microUSB 2.0
X703
miniUSB 2.0
Sensors
S309
Accelerometer, proximity
X703
Messaging
S309
-
X703
SMS(threaded view), MMS, Email
Browser
S309
-
X703
WAP 2.0/xHTML
Games
S309
-
X703
Yes
Java
S309
-
X703
Yes, MIDP 2.0
Other
S309
-
X703
MP3/WAV/WMA/FLAC/eAAC+ player MP4/FLV/DivX/H.264 player Organizer Voice memo Predictive text input
Type
S309
Li-Ion 1600 mAh, removable
X703
Removable Li-Ion battery
Stand-by
S309
Up to 500 h (3G)
X703
Up to 744 h
Talk time
S309
Up to 9 h 30 min (3G)
X703
Up to 8 h 30 min
Colors
S309
Black, Red
X703
Gray