Screen size
A40Winner: 4.0"+56%
C3551.8"
Quick verdict
A40 leads the measured specs 11-0.
Measured wins
A40
11
spec wins
Overall winner
Ties
3
equal specs
C355
0
spec wins
Screen size
Technology
A40
GSM
C355
GSM
2G bands
A40
GSM 900 / 1800 - SIM 1 & SIM 2
C355
GSM 900 / 1800 - SIM 1 & SIM 2
GPRS
A40
Yes
C355
No
EDGE
A40
Yes
C355
No
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
SD card
equal specsStereo speakers
Announced
A40
2014, January. Released 2014, January
C355
2013, February. Released 2013, February
Status
A40
Discontinued
C355
Discontinued
Dimensions
A40
126.2 x 64 x 10.8 mm (4.97 x 2.52 x 0.43 in)
C355
-
Weight
A40
126.5 (4.44 oz)
C355
-
SIM
A40
Dual SIM
C355
Dual SIM (Mini-SIM)
Other
A40
-
C355
Flashlight
Type
A40
TFT
C355
TFT
Size
A40
4.0 inches, 45.5 cm2 (~56.4% screen-to-body ratio)
C355
1.77 inches, 9.9 cm2
Resolution
A40
480 x 800 pixels, 5:3 ratio (~233 ppi density)
C355
128 x 160 pixels (~116 ppi density)
OS
A40
Android 4.2.2 (Jelly Bean)
C355
-
CPU
A40
Dual-core 1.3 GHz
C355
-
Card slot
A40
microSDHC (dedicated slot)
C355
microSDHC (dedicated slot)
Internal
A40
4GB 512MB RAM
C355
-
Phonebook
A40
-
C355
500 contacts
Call records
A40
-
C355
20 entries
Single
A40
5 MP
C355
Yes
Video
A40
Yes
C355
No
Single
A40
VGA
C355
-
Video
A40
C355
-
Other
A40
-
C355
No
Loudspeaker
A40
Yes
C355
Yes
3.5mm jack
A40
Yes
C355
-
WLAN
A40
Wi-Fi 802.11 b/g/n, hotspot
C355
No
Bluetooth
A40
2.0
C355
Yes
Positioning
A40
GPS
C355
No
NFC
A40
No
C355
No
Radio
A40
FM radio
C355
No
USB
A40
microUSB 2.0
C355
Proprietary
Sensors
A40
Accelerometer, proximity
C355
Messaging
A40
-
C355
SMS
Games
A40
-
C355
Yes
Java
A40
-
C355
No
Other
A40
-
C355
Auto call record reject by SMS audio/video player
Type
A40
Li-Ion 1500 mAh battery
C355
Li-Ion 1100 mAh, removable
Stand-by
A40
-
C355
Up to 180 h
Talk time
A40
-
C355
Up to 4 h
Colors
A40
White, Yellow, Blue
C355
Black/Red, Black/Yellow, Black/Silver
Price
A40
-
C355
About 10 EUR