Screen size
A40Winner: 4.0"+40%
C44 Duos2.4"
Quick verdict
A40 leads the measured specs 8-1.
Measured wins
A40
8
spec wins
Overall winner
Ties
5
equal specs
C44 Duos
1
spec wins
Screen size
Technology
A40
GSM
C44 Duos
GSM
2G bands
A40
GSM 900 / 1800 - SIM 1 & SIM 2
C44 Duos
GSM 900 / 1800 - SIM 1 & SIM 2
GPRS
A40
Yes
C44 Duos
Yes
EDGE
A40
Yes
C44 Duos
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
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
No
Announced
A40
2014, January. Released 2014, January
C44 Duos
2014
Status
A40
Discontinued
C44 Duos
Discontinued
Dimensions
A40
126.2 x 64 x 10.8 mm (4.97 x 2.52 x 0.43 in)
C44 Duos
-
Weight
A40
126.5 (4.44 oz)
C44 Duos
-
SIM
A40
Dual SIM
C44 Duos
Dual SIM
Type
A40
TFT
C44 Duos
TFT
Size
A40
4.0 inches, 45.5 cm2 (~56.4% screen-to-body ratio)
C44 Duos
2.4 inches, 17.8 cm2
Resolution
A40
480 x 800 pixels, 5:3 ratio (~233 ppi density)
C44 Duos
240 x 320 pixels, 4:3 ratio (~167 ppi density)
OS
A40
Android 4.2.2 (Jelly Bean)
C44 Duos
-
CPU
A40
Dual-core 1.3 GHz
C44 Duos
-
Card slot
A40
microSDHC (dedicated slot)
C44 Duos
microSDHC
Internal
A40
4GB 512MB RAM
C44 Duos
-
Phonebook
A40
-
C44 Duos
Yes
Call records
A40
-
C44 Duos
Yes
Single
A40
5 MP
C44 Duos
1.3 MP
Video
A40
Yes
C44 Duos
Yes
Single
A40
VGA
C44 Duos
-
Video
A40
C44 Duos
-
Other
A40
-
C44 Duos
No
Loudspeaker
A40
Yes
C44 Duos
Yes
3.5mm jack
A40
Yes
C44 Duos
Yes
WLAN
A40
Wi-Fi 802.11 b/g/n, hotspot
C44 Duos
No
Bluetooth
A40
2.0
C44 Duos
2.0
Positioning
A40
GPS
C44 Duos
No
NFC
A40
No
C44 Duos
No
Radio
A40
FM radio
C44 Duos
FM radio
USB
A40
microUSB 2.0
C44 Duos
microUSB
Sensors
A40
Accelerometer, proximity
C44 Duos
Messaging
A40
-
C44 Duos
Yes
Games
A40
-
C44 Duos
Yes
Java
A40
-
C44 Duos
No
Other
A40
-
C44 Duos
Audio/video player
Type
A40
Li-Ion 1500 mAh battery
C44 Duos
Li-Ion 2200 mAh, removable
Colors
A40
White, Yellow, Blue
C44 Duos
Gold/Black, Gold/Red
SAR EU
A40
-
C44 Duos
0.63 W/kg (head) 0.57 W/kg (body)