Screen size
S309Winner: 4.0"+40%
Xenium X5032.4"
Quick verdict
S309 leads the measured specs 10-2.
Measured wins
S309
10
spec wins
Overall winner
Ties
4
equal specs
Xenium X503
2
spec wins
Screen size
Technology
S309
GSM / HSPA
Xenium X503
GSM
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Xenium X503
GSM 900 / 1800 / 1900 - SIM 1, GSM 900 / 1800 / 1900 - SIM 2
3G bands
S309
HSDPA 900 / 2100
Xenium X503
-
Speed
S309
HSPA 21.1/5.76 Mbps
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
Xenium X503
-
GPRS
S309
-
Xenium X503
Class 10
EDGE
S309
-
Xenium X503
Yes
Announced
S309
2015, July. Released 2015, July
Xenium X503
2010, May. Released 2010, May
Status
S309
Discontinued
Xenium X503
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
Xenium X503
114.5 x 49.5 x 11 mm (4.51 x 1.95 x 0.43 in)
Weight
S309
127 g (4.48 oz)
Xenium X503
92.8 g (3.25 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
Xenium X503
Dual SIM (Mini-SIM)
Type
S309
TFT, 256K colors
Xenium X503
TFT, 256K colors
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
Xenium X503
2.4 inches, 17.8 cm2 (~31.5% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Xenium X503
240 x 320 pixels, 4:3 ratio (~167 ppi density)
OS
S309
Android 5.1 (Lollipop)
Xenium X503
-
CPU
S309
Dual-core 1.0 GHz
Xenium X503
-
Card slot
S309
microSDHC (dedicated slot)
Xenium X503
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
Xenium X503
78MB
Phonebook
S309
-
Xenium X503
1000 entries, Photocall
Call records
S309
-
Xenium X503
Yes
Single
S309
5 MP, AF
Xenium X503
3.15 MP
Features
S309
LED flash
Xenium X503
-
Video
S309
Yes
Xenium X503
QCIF@15fps
Single
S309
VGA
Xenium X503
-
Video
S309
Xenium X503
-
Other
S309
-
Xenium X503
No
Loudspeaker
S309
Yes
Xenium X503
Yes
3.5mm jack
S309
Yes
Xenium X503
Yes
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
Xenium X503
No
Bluetooth
S309
4.0, A2DP
Xenium X503
2.0, A2DP
Positioning
S309
GPS
Xenium X503
No
NFC
S309
No
Xenium X503
-
Radio
S309
FM radio
Xenium X503
Stereo FM radio, RDS
USB
S309
microUSB 2.0
Xenium X503
miniUSB 2.0
Sensors
S309
Accelerometer, proximity
Xenium X503
Messaging
S309
-
Xenium X503
SMS, MMS, Email
Browser
S309
-
Xenium X503
HTML
Games
S309
-
Xenium X503
Yes + downloadable
Java
S309
-
Xenium X503
Yes, MIDP 2.0
Other
S309
-
Xenium X503
MP3/WAV/aAAC+/WMA player MP4/H.263 player Organizer Chinese/English dictionary Voice memo Predictive text input
Type
S309
Li-Ion 1600 mAh, removable
Xenium X503
Removable Li-Ion 1000 mAh battery
Stand-by
S309
Up to 500 h (3G)
Xenium X503
Up to 600 h
Talk time
S309
Up to 9 h 30 min (3G)
Xenium X503
Up to 8 h
Colors
S309
Black, Red
Xenium X503
Black