Screen size
A40Winner: 4.0"+40%
C2972.4"
Quick verdict
A40 leads the measured specs 11-0.
Measured wins
A40
11
spec wins
Overall winner
Ties
3
equal specs
C297
0
spec wins
Screen size
Technology
A40
GSM
C297
GSM
2G bands
A40
GSM 900 / 1800 - SIM 1 & SIM 2
C297
GSM 900 / 1800 - SIM 1 & SIM 2
GPRS
A40
Yes
C297
Yes
EDGE
A40
Yes
C297
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
C297
2013, August. Released 2013, August
Status
A40
Discontinued
C297
Discontinued
Dimensions
A40
126.2 x 64 x 10.8 mm (4.97 x 2.52 x 0.43 in)
C297
-
Weight
A40
126.5 (4.44 oz)
C297
-
SIM
A40
Dual SIM
C297
Dual SIM (Mini-SIM, dual stand-by)
Type
A40
TFT
C297
TFT
Size
A40
4.0 inches, 45.5 cm2 (~56.4% screen-to-body ratio)
C297
2.4 inches, 17.8 cm2
Resolution
A40
480 x 800 pixels, 5:3 ratio (~233 ppi density)
C297
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Other
A40
-
C297
Flashlight
OS
A40
Android 4.2.2 (Jelly Bean)
C297
-
CPU
A40
Dual-core 1.3 GHz
C297
-
Card slot
A40
microSDHC (dedicated slot)
C297
microSDHC (dedicated slot)
Internal
A40
4GB 512MB RAM
C297
-
Phonebook
A40
-
C297
300 contacts
Call records
A40
-
C297
20 entries
Single
A40
5 MP
C297
1.3 MP
Video
A40
Yes
C297
Yes
Single
A40
VGA
C297
-
Video
A40
C297
-
Other
A40
-
C297
No
Loudspeaker
A40
Yes
C297
Yes
3.5mm jack
A40
Yes
C297
-
WLAN
A40
Wi-Fi 802.11 b/g/n, hotspot
C297
No
Bluetooth
A40
2.0
C297
Yes
Positioning
A40
GPS
C297
No
NFC
A40
No
C297
No
Radio
A40
FM radio
C297
FM radio
USB
A40
microUSB 2.0
C297
Proprietary
Sensors
A40
Accelerometer, proximity
C297
Messaging
A40
-
C297
SMS
Games
A40
-
C297
Yes
Java
A40
-
C297
No
Other
A40
-
C297
Auto call record Reject by SMS MP4/H.263 player MP3/WAV player
Type
A40
Li-Ion 1500 mAh battery
C297
Li-Ion 1000 mAh, removable
Colors
A40
White, Yellow, Blue
C297
Black
SAR EU
A40
-
C297
0.78 W/kg (head) 0.32 W/kg (body)