Screen size
A40Winner: 4.0"+40%
C9 Star2.4"
Quick verdict
A40 leads the measured specs 9-1.
Measured wins
A40
9
spec wins
Overall winner
Ties
4
equal specs
C9 Star
1
spec wins
Screen size
Technology
A40
GSM
C9 Star
GSM
2G bands
A40
GSM 900 / 1800 - SIM 1 & SIM 2
C9 Star
GSM 900 / 1800 - SIM 1 & SIM 2
GPRS
A40
Yes
C9 Star
No
EDGE
A40
Yes
C9 Star
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
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
No
Announced
A40
2014, January. Released 2014, January
C9 Star
2012, September. Released 2012, October
Status
A40
Discontinued
C9 Star
Discontinued
Dimensions
A40
126.2 x 64 x 10.8 mm (4.97 x 2.52 x 0.43 in)
C9 Star
114.3 x 48.8 x 15.6 mm (4.5 x 1.92 x 0.61 in)
Weight
A40
126.5 (4.44 oz)
C9 Star
-
SIM
A40
Dual SIM
C9 Star
Dual SIM (Mini-SIM)
Type
A40
TFT
C9 Star
TFT
Size
A40
4.0 inches, 45.5 cm2 (~56.4% screen-to-body ratio)
C9 Star
2.4 inches, 17.8 cm2 (~32.0% screen-to-body ratio)
Resolution
A40
480 x 800 pixels, 5:3 ratio (~233 ppi density)
C9 Star
240 x 320 pixels, 4:3 ratio (~167 ppi density)
OS
A40
Android 4.2.2 (Jelly Bean)
C9 Star
-
CPU
A40
Dual-core 1.3 GHz
C9 Star
-
Card slot
A40
microSDHC (dedicated slot)
C9 Star
microSDHC (dedicated slot)
Internal
A40
4GB 512MB RAM
C9 Star
-
Phonebook
A40
-
C9 Star
500 entries
Call records
A40
-
C9 Star
Yes
Single
A40
5 MP
C9 Star
1.3 MP
Video
A40
Yes
C9 Star
Yes
Single
A40
VGA
C9 Star
-
Video
A40
C9 Star
-
Other
A40
-
C9 Star
No
Loudspeaker
A40
Yes
C9 Star
Yes
3.5mm jack
A40
Yes
C9 Star
Yes
WLAN
A40
Wi-Fi 802.11 b/g/n, hotspot
C9 Star
No
Bluetooth
A40
2.0
C9 Star
Yes
Positioning
A40
GPS
C9 Star
No
NFC
A40
No
C9 Star
No
Radio
A40
FM radio
C9 Star
Wireless FM radio (no wired headphones required)
USB
A40
microUSB 2.0
C9 Star
Proprietary
Sensors
A40
Accelerometer, proximity
C9 Star
Messaging
A40
-
C9 Star
SMS
Games
A40
-
C9 Star
Yes
Java
A40
-
C9 Star
No
Other
A40
-
C9 Star
Audio/video player Auto call record
Type
A40
Li-Ion 1500 mAh battery
C9 Star
Li-Ion 1800 mAh, removable
Stand-by
A40
-
C9 Star
Up to 600 h
Talk time
A40
-
C9 Star
Up to 15 h
Colors
A40
White, Yellow, Blue
C9 Star
Black/Red, Black/Green
Price
A40
-
C9 Star
About 20 EUR