Screen size
S3094.0"
T539Winner: 4.3"+7%
Quick verdict
S309 leads the measured specs 7-2.
Measured wins
S309
7
spec wins
Overall winner
Ties
7
equal specs
T539
2
spec wins
Screen size
Technology
S309
GSM / HSPA
T539
GSM
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
T539
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
S309
HSDPA 900 / 2100
T539
TD-SCDMA
Speed
S309
HSPA 21.1/5.76 Mbps
T539
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront 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
HSPA
GPRS
S309
-
T539
Class 12
EDGE
S309
-
T539
Yes
Announced
S309
2015, July. Released 2015, July
T539
2012, November. Released 2012, November
Status
S309
Discontinued
T539
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
T539
131 x 68 x 11.2 mm (5.16 x 2.68 x 0.44 in)
Weight
S309
127 g (4.48 oz)
T539
-
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
T539
Dual SIM (Mini-SIM)
Type
S309
TFT, 256K colors
T539
TFT, 256K colors
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
T539
4.3 inches, 52.6 cm2 (~59.1% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
T539
480 x 800 pixels, 5:3 ratio (~217 ppi density)
OS
S309
Android 5.1 (Lollipop)
T539
Android 2.3 (Gingerbread)
CPU
S309
Dual-core 1.0 GHz
T539
-
Card slot
S309
microSDHC (dedicated slot)
T539
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
T539
512MB
Single
S309
5 MP, AF
T539
5 MP
Features
S309
LED flash
T539
-
Video
S309
Yes
T539
480p
Single
S309
VGA
T539
-
Video
S309
T539
-
Other
S309
-
T539
No
Loudspeaker
S309
Yes
T539
Yes
3.5mm jack
S309
Yes
T539
Yes
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
T539
Wi-Fi 802.11 b/g, hotspot
Bluetooth
S309
4.0, A2DP
T539
Yes
Positioning
S309
GPS
T539
GPS
NFC
S309
No
T539
No
Radio
S309
FM radio
T539
No
USB
S309
microUSB 2.0
T539
2.0
Sensors
S309
Accelerometer, proximity
T539
Accelerometer, proximity
Other
S309
-
T539
CMMB mobile TV
Type
S309
Li-Ion 1600 mAh, removable
T539
Li-Ion 1630 mAh, removable
Stand-by
S309
Up to 500 h (3G)
T539
Up to 240 h
Talk time
S309
Up to 9 h 30 min (3G)
T539
Up to 6 h
Colors
S309
Black, Red
T539
Black/Gold