Screen size
D8123.2"
S309Winner: 4.0"+20%
Quick verdict
S309 leads the measured specs 11-2.
Measured wins
D812
2
spec wins
Ties
3
equal specs
S309
11
spec wins
Overall winner
Screen size
Technology
D812
GSM / CDMA / EVDO
S309
GSM / HSPA
2G bands
D812
GSM 900 / 1800 , CDMA 800
S309
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
D812
CDMA2000 1xEV-DO
S309
HSDPA 900 / 2100
Speed
D812
EV-DO Rev. 0
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
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
S309
HSPA 21.1/5.76 Mbps
Announced
D812
2011, February. Released 2011, February
S309
2015, July. Released 2015, July
Status
D812
Discontinued
S309
Discontinued
Dimensions
D812
109.6 x 55.2 x 14 mm (4.31 x 2.17 x 0.55 in)
S309
127.6 x 64.7 x 10.8 mm (5.02 x 2.55 x 0.43 in)
Weight
D812
125 g (4.41 oz)
S309
127 g (4.48 oz)
SIM
D812
Mini-SIM
S309
Dual SIM (Mini-SIM, dual stand-by)
Type
D812
TFT resistive touchscreen, 65K colors
S309
TFT, 256K colors
Size
D812
3.2 inches, 29.1 cm2 (~48.2% screen-to-body ratio)
S309
4.0 inches, 45.5 cm2 (~55.2% screen-to-body ratio)
Resolution
D812
240 x 400 pixels, 5:3 ratio (~146 ppi density)
S309
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Other
D812
Handwriting recognition
S309
-
Card slot
D812
microSDHC (dedicated slot), 2 GB included
S309
microSDHC (dedicated slot)
Phonebook
D812
Yes, Photocall
S309
-
Call records
D812
Yes
S309
-
Internal
D812
130MB
S309
8GB 1GB RAM
Single
D812
3.15 MP, AF
S309
5 MP, AF
Video
D812
Yes
S309
Yes
Features
D812
-
S309
LED flash
Other
D812
No
S309
-
Single
D812
-
S309
VGA
Video
D812
-
S309
Loudspeaker
D812
Yes
S309
Yes
3.5mm jack
D812
No
S309
Yes
WLAN
D812
No
S309
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
D812
2.1, A2DP
S309
4.0, A2DP
Positioning
D812
GPS, A-GPS
S309
GPS
Radio
D812
No
S309
FM radio
USB
D812
microUSB 2.0
S309
microUSB 2.0
NFC
D812
-
S309
No
Sensors
D812
Accelerometer
S309
Accelerometer, proximity
Messaging
D812
SMS, MMS, Email, IM
S309
-
Browser
D812
WAP 2.0/xHTML
S309
-
Games
D812
Yes
S309
-
Java
D812
No
S309
-
Other
D812
MP3/AAC+ player MP4/H.263 player Organizer Voice memo Predictive text input
S309
-
Type
D812
Removable Li-Ion 1100 mAh battery
S309
Li-Ion 1600 mAh, removable
Stand-by
D812
Up to 100 h
S309
Up to 500 h (3G)
Talk time
D812
Up to 3 h 10 min
S309
Up to 9 h 30 min (3G)
Colors
D812
Black
S309
Black, Red
OS
D812
-
S309
Android 5.1 (Lollipop)
CPU
D812
-
S309
Dual-core 1.0 GHz