Screen size
S309Winner: 4.0"+40%
X7102.4"
Quick verdict
S309 leads the measured specs 11-3.
Measured wins
S309
11
spec wins
Overall winner
Ties
2
equal specs
X710
3
spec wins
Screen size
Technology
S309
GSM / HSPA
X710
GSM
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
X710
GSM 900 / 1800 / 1900 - SIM 1, GSM 900 / 1800 - SIM 2
3G bands
S309
HSDPA 900 / 2100
X710
-
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
X710
-
GPRS
S309
-
X710
Class 10
EDGE
S309
-
X710
Class 10
Announced
S309
2015, July. Released 2015, July
X710
2009, January. Released 2009
Status
S309
Discontinued
X710
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
X710
113 x 49 x 16 mm (4.45 x 1.93 x 0.63 in)
Weight
S309
127 g (4.48 oz)
X710
114 g (4.02 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
X710
Dual SIM (Mini-SIM)
Type
S309
TFT, 256K colors
X710
TFT, 256K colors
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
X710
2.4 inches, 17.8 cm2 (~32.2% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
X710
240 x 320 pixels, 4:3 ratio (~167 ppi density)
OS
S309
Android 5.1 (Lollipop)
X710
-
CPU
S309
Dual-core 1.0 GHz
X710
-
Card slot
S309
microSDHC (dedicated slot)
X710
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
X710
20MB
Phonebook
S309
-
X710
Yes
Call records
S309
-
X710
30 received, dialed and missed calls
Single
S309
5 MP, AF
X710
3.15 MP, AF
Features
S309
LED flash
X710
-
Video
S309
Yes
X710
Yes
Single
S309
VGA
X710
-
Video
S309
X710
-
Other
S309
-
X710
No
Loudspeaker
S309
Yes
X710
Yes
3.5mm jack
S309
Yes
X710
No
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
X710
No
Bluetooth
S309
4.0, A2DP
X710
2.0, A2DP
Positioning
S309
GPS
X710
No
NFC
S309
No
X710
-
Radio
S309
FM radio
X710
FM radio
USB
S309
microUSB 2.0
X710
miniUSB 1.1
Sensors
S309
Accelerometer, proximity
X710
Messaging
S309
-
X710
SMS, MMS, Email
Browser
S309
-
X710
WAP 2.0/xHTML
Games
S309
-
X710
3 games + downloadable
Java
S309
-
X710
Yes, MIDP 2.0
Other
S309
-
X710
Photo editor MP3/WAV/AAC player MP4/3gp player Voice memo Organizer Predictive text input
Type
S309
Li-Ion 1600 mAh, removable
X710
Removable Li-Po 1900 mAh battery
Stand-by
S309
Up to 500 h (3G)
X710
Up to 720 h
Talk time
S309
Up to 9 h 30 min (3G)
X710
Up to 8 h 30 min
Colors
S309
Black, Red
X710
Black
SAR
S309
-
X710
1.09 W/kg (head)
SAR EU
S309
-
X710
0.78 W/kg (head)
Price
S309
-
X710
About 180 EUR