Screen size
S309Winner: 4.0"+50%
X15102.0"
Quick verdict
S309 leads the measured specs 11-1.
Measured wins
S309
11
spec wins
Overall winner
Ties
4
equal specs
X1510
1
spec wins
Screen size
Technology
S309
GSM / HSPA
X1510
GSM
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
X1510
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
S309
HSDPA 900 / 2100
X1510
-
Speed
S309
HSPA 21.1/5.76 Mbps
X1510
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
equal specs3.5mm jack
SD card
equal specsStereo speakers
-
GPRS
S309
-
X1510
Class 12
EDGE
S309
-
X1510
No
Announced
S309
2015, July. Released 2015, July
X1510
2013, October. Released 2013, October
Status
S309
Discontinued
X1510
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
X1510
109 x 46 x 15.8 mm (4.29 x 1.81 x 0.62 in)
Weight
S309
127 g (4.48 oz)
X1510
78 g (2.75 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
X1510
Dual SIM (Mini-SIM)
Type
S309
TFT, 256K colors
X1510
TFT
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
X1510
2.0 inches, 12.6 cm2 (~25.1% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
X1510
176 x 220 pixels (~141 ppi density)
OS
S309
Android 5.1 (Lollipop)
X1510
-
CPU
S309
Dual-core 1.0 GHz
X1510
-
Card slot
S309
microSDHC (dedicated slot)
X1510
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
X1510
-
Phonebook
S309
-
X1510
Yes
Call records
S309
-
X1510
Yes
Single
S309
5 MP, AF
X1510
-
Features
S309
LED flash
X1510
-
Video
S309
Yes
X1510
-
Single
S309
VGA
X1510
-
Video
S309
X1510
-
Loudspeaker
S309
Yes
X1510
Yes
3.5mm jack
S309
Yes
X1510
No
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
X1510
No
Bluetooth
S309
4.0, A2DP
X1510
2.1, A2DP
Positioning
S309
GPS
X1510
No
NFC
S309
No
X1510
No
Radio
S309
FM radio
X1510
FM radio
USB
S309
microUSB 2.0
X1510
microUSB 2.0
Sensors
S309
Accelerometer, proximity
X1510
Messaging
S309
-
X1510
SMS, MMS
Games
S309
-
X1510
Yes
Java
S309
-
X1510
No
Other
S309
-
X1510
MP3 player Organizer Predictive text input
Type
S309
Li-Ion 1600 mAh, removable
X1510
Li-Ion 1050 mAh, removable
Stand-by
S309
Up to 500 h (3G)
X1510
Up to 850 h
Talk time
S309
Up to 9 h 30 min (3G)
X1510
Up to 8 h 30 min
Colors
S309
Black, Red
X1510
Black
Other
S309
-
X1510
No