Screen size
A40Winner: 4.0"+40%
C172.4"
Quick verdict
A40 leads the measured specs 11-0.
Measured wins
A40
11
spec wins
Overall winner
Ties
3
equal specs
C17
0
spec wins
Screen size
Technology
A40
GSM
C17
GSM
2G bands
A40
GSM 900 / 1800 - SIM 1 & SIM 2
C17
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
A40
Yes
C17
No
EDGE
A40
Yes
C17
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
equal specsUSB
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
No
Announced
A40
2014, January. Released 2014, January
C17
2012
Status
A40
Discontinued
C17
Discontinued
Dimensions
A40
126.2 x 64 x 10.8 mm (4.97 x 2.52 x 0.43 in)
C17
111 x 49.6 x 14.5 mm (4.37 x 1.95 x 0.57 in)
Weight
A40
126.5 (4.44 oz)
C17
-
SIM
A40
Dual SIM
C17
Dual SIM (Mini-SIM)
Other
A40
-
C17
Flashlight
Type
A40
TFT
C17
TFT
Size
A40
4.0 inches, 45.5 cm2 (~56.4% screen-to-body ratio)
C17
2.4 inches, 17.8 cm2 (~32.4% screen-to-body ratio)
Resolution
A40
480 x 800 pixels, 5:3 ratio (~233 ppi density)
C17
240 x 320 pixels, 4:3 ratio (~167 ppi density)
OS
A40
Android 4.2.2 (Jelly Bean)
C17
-
CPU
A40
Dual-core 1.3 GHz
C17
-
Card slot
A40
microSDHC (dedicated slot)
C17
microSDHC (dedicated slot)
Internal
A40
4GB 512MB RAM
C17
-
Phonebook
A40
-
C17
300 entries
Call records
A40
-
C17
20 dialed, 20 received, 20 missed calls
Single
A40
5 MP
C17
Yes
Video
A40
Yes
C17
Yes
Single
A40
VGA
C17
-
Video
A40
C17
-
Other
A40
-
C17
No
Loudspeaker
A40
Yes
C17
Yes
3.5mm jack
A40
Yes
C17
No
WLAN
A40
Wi-Fi 802.11 b/g/n, hotspot
C17
No
Bluetooth
A40
2.0
C17
2.0
Positioning
A40
GPS
C17
No
NFC
A40
No
C17
-
Radio
A40
FM radio
C17
Stereo FM radio
USB
A40
microUSB 2.0
C17
microUSB
Sensors
A40
Accelerometer, proximity
C17
Messaging
A40
-
C17
SMS
Games
A40
-
C17
Yes
Java
A40
-
C17
No
Other
A40
-
C17
Audio/video player
Type
A40
Li-Ion 1500 mAh battery
C17
Removable Li-Ion 1000 mAh battery
Stand-by
A40
-
C17
Up to 400 h
Talk time
A40
-
C17
Up to 6 h
Colors
A40
White, Yellow, Blue
C17
Black