Screen size
D833Winner: 4.3"+7%
S3094.0"
Quick verdict
S309 leads the measured specs 6-2.
Measured wins
D833
2
spec wins
Ties
8
equal specs
S309
6
spec wins
Overall winner
Screen size
Technology
D833
GSM / CDMA / EVDO
S309
GSM / HSPA
2G bands
D833
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2, CDMA 800 / 1900
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
D833
CDMA2000 1xEV-DO
S309
HSDPA 900 / 2100
Speed
D833
EV-DO Rev.A 3.1 Mbps
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
S309
HSPA 21.1/5.76 Mbps
Announced
D833
2013, October. Released 2013, October
S309
2015, July. Released 2015, July
Status
D833
Discontinued
S309
Discontinued
Dimensions
D833
128 x 67.3 x 12.1 mm (5.04 x 2.65 x 0.48 in)
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
Weight
D833
163 g (5.75 oz)
S309
127 g (4.48 oz)
SIM
D833
Dual SIM (Dual stand-by)
S309
Dual SIM (Mini-SIM, dual stand-by)
Type
D833
IPS LCD
S309
TFT, 256K colors
Size
D833
4.3 inches, 52.6 cm2 (~61.1% screen-to-body ratio)
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
Resolution
D833
480 x 800 pixels, 5:3 ratio (~217 ppi density)
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
D833
Android 4.0 (Ice Cream Sandwich)
S309
Android 5.1 (Lollipop)
CPU
D833
Dual-core 1.0 GHz
S309
Dual-core 1.0 GHz
Card slot
D833
microSDHC (dedicated slot)
S309
microSDHC (dedicated slot)
Internal
D833
4GB
S309
8GB 1GB RAM
Single
D833
5 MP, AF
S309
5 MP, AF
Features
D833
LED flash
S309
LED flash
Video
D833
480p
S309
Yes
Other
D833
No
S309
-
Single
D833
-
S309
VGA
Video
D833
-
S309
Loudspeaker
D833
Yes
S309
Yes
3.5mm jack
D833
Yes
S309
Yes
WLAN
D833
Wi-Fi 802.11 b/g
S309
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
D833
3.0, A2DP
S309
4.0, A2DP
Positioning
D833
GPS
S309
GPS
NFC
D833
No
S309
No
Radio
D833
No
S309
FM radio
USB
D833
microUSB 2.0
S309
microUSB 2.0
Sensors
D833
Accelerometer, proximity
S309
Accelerometer, proximity
Type
D833
Li-Ion 2400 mAh, removable
S309
Li-Ion 1600 mAh, removable
Stand-by
D833
Up to 300 h
S309
Up to 500 h (3G)
Talk time
D833
Up to 17 h
S309
Up to 9 h 30 min (3G)
Colors
D833
Black/Gray
S309
Black, Red