Screen size
S309Winner: 4.0"+40%
X5102.4"
Quick verdict
S309 leads the measured specs 12-1.
Measured wins
S309
12
spec wins
Overall winner
Ties
3
equal specs
X510
1
spec wins
Screen size
Technology
S309
GSM / HSPA
X510
GSM
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
X510
GSM 900 / 1800
3G bands
S309
HSDPA 900 / 2100
X510
-
Speed
S309
HSPA 21.1/5.76 Mbps
X510
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
SD card
equal specsStereo speakers
-
GPRS
S309
-
X510
Class 10
EDGE
S309
-
X510
No
Announced
S309
2015, July. Released 2015, July
X510
2010, April. Released 2010, June
Status
S309
Discontinued
X510
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
X510
106 x 51.8 x 15.7 mm (4.17 x 2.04 x 0.62 in)
Weight
S309
127 g (4.48 oz)
X510
103 g (3.63 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
X510
Dual SIM (Mini-SIM, no dual stand-by)
Type
S309
TFT, 256K colors
X510
TFT resistive touchscreen, 256K colors
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
X510
2.4 inches, 17.8 cm2 (~32.5% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
X510
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Other
S309
-
X510
Handwriting recognition
OS
S309
Android 5.1 (Lollipop)
X510
-
CPU
S309
Dual-core 1.0 GHz
X510
-
Card slot
S309
microSDHC (dedicated slot)
X510
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
X510
1MB
Phonebook
S309
-
X510
Yes, Photocall
Call records
S309
-
X510
Yes
Single
S309
5 MP, AF
X510
2 MP
Features
S309
LED flash
X510
-
Video
S309
Yes
X510
176x144@15fps
Single
S309
VGA
X510
-
Video
S309
X510
-
Other
S309
-
X510
No
Loudspeaker
S309
Yes
X510
Yes
3.5mm jack
S309
Yes
X510
No
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
X510
No
Bluetooth
S309
4.0, A2DP
X510
2.0, A2DP
Positioning
S309
GPS
X510
No
NFC
S309
No
X510
-
Radio
S309
FM radio
X510
Stereo FM radio, RDS
USB
S309
microUSB 2.0
X510
miniUSB 2.0
Sensors
S309
Accelerometer, proximity
X510
Messaging
S309
-
X510
SMS(threaded view), MMS, Email
Browser
S309
-
X510
WAP 2.0/xHTML, HTML
Games
S309
-
X510
Yes + downloadable
Java
S309
-
X510
Yes, MIDP 2.0
Other
S309
-
X510
MP3/WAV/AAC+ player MP4/H.263 player Organizer Voice memo Predictive text input
Type
S309
Li-Ion 1600 mAh, removable
X510
Removable Li-Ion 1050 mAh battery
Stand-by
S309
Up to 500 h (3G)
X510
Up to 600 h
Talk time
S309
Up to 9 h 30 min (3G)
X510
Up to 8 h
Colors
S309
Black, Red
X510
Black