Screen size
S309Winner: 4.0"+30%
X6052.8"
Quick verdict
S309 leads the measured specs 12-2.
Measured wins
S309
12
spec wins
Overall winner
Ties
2
equal specs
X605
2
spec wins
Screen size
Technology
S309
GSM / HSPA
X605
GSM
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
X605
GSM 900 / 1800 / 1900
3G bands
S309
HSDPA 900 / 2100
X605
-
Speed
S309
HSPA 21.1/5.76 Mbps
X605
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
-
GPRS
S309
-
X605
Class 10
EDGE
S309
-
X605
No
Announced
S309
2015, July. Released 2015, July
X605
2010, April. Released 2010, July
Status
S309
Discontinued
X605
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
X605
106.5 x 52.3 x 14.7 mm (4.19 x 2.06 x 0.58 in)
Weight
S309
127 g (4.48 oz)
X605
120 g (4.23 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
X605
Mini-SIM
Type
S309
TFT, 256K colors
X605
TFT resistive touchscreen, 256K colors
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
X605
2.8 inches, 22.3 cm2 (~40.1% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
X605
240 x 400 pixels, 5:3 ratio (~167 ppi density)
OS
S309
Android 5.1 (Lollipop)
X605
-
CPU
S309
Dual-core 1.0 GHz
X605
-
Card slot
S309
microSDHC (dedicated slot)
X605
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
X605
63MB
Phonebook
S309
-
X605
1000 entries, Photocall
Call records
S309
-
X605
Yes
Single
S309
5 MP, AF
X605
3.15 MP, AF
Features
S309
LED flash
X605
LED flash
Video
S309
Yes
X605
CIF@15fps
Single
S309
VGA
X605
-
Video
S309
X605
-
Other
S309
-
X605
No
Loudspeaker
S309
Yes
X605
Yes
3.5mm jack
S309
Yes
X605
No
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
X605
No
Bluetooth
S309
4.0, A2DP
X605
2.0, A2DP
Positioning
S309
GPS
X605
No
NFC
S309
No
X605
-
Radio
S309
FM radio
X605
Stereo FM radio, RDS
USB
S309
microUSB 2.0
X605
miniUSB 1.1
Sensors
S309
Accelerometer, proximity
X605
Messaging
S309
-
X605
SMS(threaded view), MMS, Email
Browser
S309
-
X605
WAP 2.0/xHTML
Games
S309
-
X605
Yes + downloadable
Java
S309
-
X605
Yes, MIDP 2.0
Other
S309
-
X605
MP3/WAV/AAC player MP4/H.263 player Organizer Voice memo Predictive text input
Type
S309
Li-Ion 1600 mAh, removable
X605
Removable Li-Ion 1050 mAh battery
Stand-by
S309
Up to 500 h (3G)
X605
Up to 720 h
Talk time
S309
Up to 9 h 30 min (3G)
X605
Up to 8 h 30 min
Colors
S309
Black, Red
X605
Black