Screen size
S309Winner: 4.0"+20%
T9393.2"
Quick verdict
S309 leads the measured specs 6-2.
Measured wins
S309
6
spec wins
Overall winner
Ties
8
equal specs
T939
2
spec wins
Screen size
Technology
S309
GSM / HSPA
T939
GSM
2G bands
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
T939
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
S309
HSDPA 900 / 2100
T939
TD-SCDMA
Speed
S309
HSPA 21.1/5.76 Mbps
T939
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
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 3.6/0.384 Mbps
GPRS
S309
-
T939
Yes
EDGE
S309
-
T939
Yes
Announced
S309
2015, July. Released 2015, July
T939
2013, September. Released 2013, September
Status
S309
Discontinued
T939
Discontinued
Dimensions
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
T939
110 x 57.8 x 22 mm (4.33 x 2.28 x 0.87 in)
Weight
S309
127 g (4.48 oz)
T939
239.5 g (8.43 oz)
SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
T939
Dual SIM
Type
S309
TFT, 256K colors
T939
Dual TFT, 256K colors
Size
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
T939
3.2 inches, 29.1 cm2 (~45.8% screen-to-body ratio)
Resolution
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
T939
480 x 800 pixels, 5:3 ratio (~292 ppi density)
OS
S309
Android 5.1 (Lollipop)
T939
Android 4.0 (Ice Cream Sandwich)
CPU
S309
Dual-core 1.0 GHz
T939
1.0 GHz
Card slot
S309
microSDHC (dedicated slot)
T939
microSDHC (dedicated slot)
Internal
S309
8GB 1GB RAM
T939
4GB 512MB RAM
Single
S309
5 MP, AF
T939
5 MP, AF
Features
S309
LED flash
T939
LED flash
Video
S309
Yes
T939
480p@30fps
Single
S309
VGA
T939
-
Video
S309
T939
-
Other
S309
-
T939
No
Loudspeaker
S309
Yes
T939
Yes
3.5mm jack
S309
Yes
T939
Yes
WLAN
S309
Wi-Fi 802.11 b/g/n, hotspot
T939
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
S309
4.0, A2DP
T939
2.1, A2DP, EDR
Positioning
S309
GPS
T939
GPS
NFC
S309
No
T939
No
Radio
S309
FM radio
T939
No
USB
S309
microUSB 2.0
T939
2.0
Sensors
S309
Accelerometer, proximity
T939
Accelerometer, proximity
Type
S309
Li-Ion 1600 mAh, removable
T939
Li-Ion 2000 mAh, removable
Stand-by
S309
Up to 500 h (3G)
T939
-
Talk time
S309
Up to 9 h 30 min (3G)
T939
-
Colors
S309
Black, Red
T939
Black