Screen size
S309Winner: 4.0"+40%
X6502.4"
Quick verdict
S309 leads the measured specs 13-1.
Measured wins
S309
13
spec wins
Overall winner
Ties
2
equal specs
X650
1
spec wins
Screen size
Technology
S309
GSM / HSPA
X650
GSM
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
X650
GSM 900 / 1800 / 1900
3G bands
S309
HSDPA 900 / 2100
X650
-
Speed
S309
HSPA 21.1/5.76 Mbps
X650
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
-
X650
Class 10
EDGE
S309
-
X650
Class 10
Announced
S309
2015, July. Released 2015, July
X650
2009, November. Released 2009, December
Status
S309
Discontinued
X650
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
X650
104.4 x 52 x 16.8 mm (4.11 x 2.05 x 0.66 in)
Weight
S309
127 g (4.48 oz)
X650
133.9 (4.69 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
X650
Mini-SIM
Type
S309
TFT, 256K colors
X650
TFT, 256K colors
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
X650
2.4 inches, 17.8 cm2 (~32.9% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
X650
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Other
S309
-
X650
Screensavers and wallpapers
OS
S309
Android 5.1 (Lollipop)
X650
-
CPU
S309
Dual-core 1.0 GHz
X650
-
Card slot
S309
microSDHC (dedicated slot)
X650
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
X650
79MB
Phonebook
S309
-
X650
1000 entries, Photocall
Call records
S309
-
X650
30 received, dialed and missed calls
Single
S309
5 MP, AF
X650
3.15 MP, AF
Features
S309
LED flash
X650
-
Video
S309
Yes
X650
CIF@15fps
Single
S309
VGA
X650
-
Video
S309
X650
-
Other
S309
-
X650
No
Loudspeaker
S309
Yes
X650
Yes
3.5mm jack
S309
Yes
X650
No
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
X650
No
Bluetooth
S309
4.0, A2DP
X650
2.0, A2DP
Positioning
S309
GPS
X650
No
NFC
S309
No
X650
-
Radio
S309
FM radio
X650
FM radio, RDS
USB
S309
microUSB 2.0
X650
miniUSB 1.1
Sensors
S309
Accelerometer, proximity
X650
Messaging
S309
-
X650
SMS(threaded view), MMS, Email
Browser
S309
-
X650
WAP 2.0/xHTML
Games
S309
-
X650
Yes + downloadable
Java
S309
-
X650
Yes, MIDP 2.0
Other
S309
-
X650
MP3/WAV/AAC player MP4/3gp player Voice memo Organizer Predictive text input
Type
S309
Li-Ion 1600 mAh, removable
X650
Removable Li-Ion 1050 mAh battery
Stand-by
S309
Up to 500 h (3G)
X650
Up to 850 h
Talk time
S309
Up to 9 h 30 min (3G)
X650
Up to 8 h
Colors
S309
Black, Red
X650
Black