Screen size
equal specsQuick verdict
S309 leads the measured specs 6-2.
Measured wins
S309
6
spec wins
Overall winner
Ties
8
equal specs
T3566
2
spec wins
Screen size
equal specsTechnology
S309
GSM / HSPA
T3566
GSM / HSPA
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
T3566
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
S309
HSDPA 900 / 2100
T3566
HSDPA
Speed
S309
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU 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
equal specsSD card
equal specsStereo speakers
T3566
HSPA
GPRS
S309
-
T3566
Class 12
EDGE
S309
-
T3566
Yes
Announced
S309
2015, July. Released 2015, July
T3566
2013, October. Released 2013, October
Status
S309
Discontinued
T3566
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
T3566
126.8 x 68 x 12 mm (4.99 x 2.68 x 0.47 in)
Weight
S309
127 g (4.48 oz)
T3566
137 g (4.83 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
T3566
Dual SIM (Mini-SIM, dual stand-by)
Type
S309
TFT, 256K colors
T3566
TFT
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
T3566
4.0 inches, 45.5 cm2 (~52.8% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
T3566
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
S309
Android 5.1 (Lollipop)
T3566
Android 4.2 (Jelly Bean)
CPU
S309
Dual-core 1.0 GHz
T3566
Dual-core 1.2 GHz
Card slot
S309
microSDHC (dedicated slot)
T3566
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
T3566
256MB RAM
Single
S309
5 MP, AF
T3566
2 MP
Features
S309
LED flash
T3566
-
Video
S309
Yes
T3566
Yes
Single
S309
VGA
T3566
-
Video
S309
T3566
-
Other
S309
-
T3566
No
Loudspeaker
S309
Yes
T3566
Yes
3.5mm jack
S309
Yes
T3566
Yes
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
T3566
Wi-Fi 802.11 b/g
Bluetooth
S309
4.0, A2DP
T3566
2.1, A2DP, EDR
Positioning
S309
GPS
T3566
No
NFC
S309
No
T3566
No
Radio
S309
FM radio
T3566
No
USB
S309
microUSB 2.0
T3566
2.0
Sensors
S309
Accelerometer, proximity
T3566
Accelerometer
Type
S309
Li-Ion 1600 mAh, removable
T3566
Li-Ion 2000 mAh, removable
Stand-by
S309
Up to 500 h (3G)
T3566
Up to 420 h
Talk time
S309
Up to 9 h 30 min (3G)
T3566
Up to 15 h
Colors
S309
Black, Red
T3566
Black